Acquisition method (AMC)
3
FSC 6640 × LITMUS PAPER
LITMUS PAPER
6640-01-485-6075 FSC 6640
NSN 6640-01-485-6075 (also written 6640014856075; NIIN 01-485-6075) is a litmus paper in Federal Supply Class 6640, Laboratory Equipment and Supplies. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
Z
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC Z: a commercial, nondevelopmental or off-the-shelf item. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| PHYSICAL FORM AGXW | STRIP |
| PRIMARY CONTAINER TYPE CQCT | PACKAGE |
| PRIMARY CONTAINER UNIT QUANTITY CQTF | 30 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | LITMUS PAPER ACS STRIP F/ONSITE DETER OF PH VALUES 30 PER PKG |
| SPECIAL FEATURES FEAT | PORTABLE TEST STRIPS FOR ON-SITE DETERMINATION OF PH VALUES. STRIPS INDIVIDUALLY ENCLOSED IN FOIL PACKETS WITH THE COLOR CHART PRINTED ON EACH PACKET FOR CONVENIENCE. |
| MEDICAL DESIGNATION AND GRADE MDES | AMERICAN CHEMICAL SOCIETY |
| SUPPLEMENTARY FEATURES SUPP | PH TEST STRIPS |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 01-0242 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 3VEY4 | 25795 | W.W. GRAINGER, INC. |
| 57798 | 6M644 | GHC SPECIALTY BRANDS, LLC DBA LAB SAFETY SUPPLY |
| 6515NCM010250 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| AU-57798 | 6M644 | GHC SPECIALTY BRANDS, LLC DBA LAB SAFETY SUPPLY |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$39.90
Purchases
3
Total spend
$79.90
Oct 1, 2026
Last purchased
9 · 9.0/yr
Purchase records
$237.86
Total demand
$39.90
Latest unit price
Price history with quantity and a typical range
What has the government paid for this item, and was any award out of line? Every award as a dot, Aug 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $20.00 and $29.95.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$26.63
Weighted by quantity$26.63
Observed range$20.00 – $39.90
Window coveredAug 2026 – Sep 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Sep 2026 | 1 | $39.90 | PACIFIC STAR CORPORATION |
| Aug 2026 | 1 | $20.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
| Aug 2026 | 1 | $20.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
Shaded rows are included. This reports past awards and does not suggest a price.
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | 1 | $39.90 | $39.90 | PACIFIC STAR CORPORATION (4QNY3) | Unknown | Source ↗ |
| Aug 19, 2026 | 1 | $20.00 | $20.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
| Aug 18, 2026 | 1 | $20.00 | $20.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 17, 2026 | SPE2DH26V2818 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $20.00 |
| Aug 18, 2026 | SPE2DH26V2846 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $20.00 |
| Aug 19, 2026 | SPE2DH26V2871 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $20.00 |
| Sep 8, 2026 | SPE2DH26V3021 ↗ | PACIFIC STAR CORPORATION | — | $39.90 |
| Sep 8, 2026 | SPE2DH26V3021 ↗ | PACIFIC STAR CORPORATION | — | $39.90 |
| Oct 1, 2026 | SPE2DH27V0007 ↗ | — | — | $18.16 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 14 days from posting to award. Most of that came after quotes closed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
PACIFIC STAR CORPORATION
last award Sep 2026
SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC
last award Aug 2026
DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA
no award yet
no awards on record
Listed source DEFENSE MEDICAL STANDARDIZATION BOARD
no award yet
no awards on record
Listed source GHC SPECIALTY BRANDS, LLC DBA LAB SAFETY SUPPLY
no award yet
no awards on record
Listed source W.W. GRAINGER, INC.
no award yet
no awards on record
Listed source SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC won 2 of the last 3 awards. PACIFIC STAR CORPORATION and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DH-26-T-6429 | Sep 2, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-5777 | Aug 5, 2026 | Aug 11, 2026 | 1 | Cancelled | View at DIBBS → |
| SPE2DH-26-T-5736 | Aug 4, 2026 | Aug 10, 2026 | 1 | Cancelled | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "LITMUS PAPER." nsnexplorer.com, https://nsnexplorer.com/nsn/6640-01-485-6075/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6640-01-485-6075/