Acquisition method (AMC)
3
FSC 6540 × INSERT,OPTICAL,CHEMICAL-BIOLOGIC
INSERT,OPTICAL,CHEMICAL-BIOLOGIC
6540-01-565-0590 FSC 6540
NSN 6540-01-565-0590 (also written 6540015650590; NIIN 01-565-0590) is an insert, optical, chemical-biologic in Federal Supply Class 6540, Ophthalmic Instruments, Equipment, and Supplies. 4 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 |
|---|---|
| SPECIAL FEATURES FEAT | STRAPLESS SPECTACLE INSERT ENABLING VISION CORRECTION WHEN WEARING PROTECTIVE GAS MASK; WIRE FRAME FOLLOWS THE PERIPHERY OF THE GAS MASK VISOR AND SUSPENDS SPECTACLE FRAME FROM ABOVE; INCLUDES: FRAME ASSEMBLY P/N 493583, SUPPORT ASSEMBLY P/N 10093972, GUIDE P/N 454816, LABEL AND INSTRUCTIONS P/N 10094791; FOR USE W/ MCU-2P GAS MASK AS WELL AS MSAS MILLENIUM GAS MASK P/N 10051288 (LARGE) |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | SPECTACLE KIT CAGE TYPE LARGE |
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 |
|---|---|---|
| 10093969 | 8B9P7 | MSA SAFETY SALES, LLC |
| 10093969 | 8F723 | MINE SAFETY APPLIANCES COMPANY, LLC DBA M S A |
| 6540NCM082656 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| 8575 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
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
$105.26
Purchases
1
Total spend
$105.26
Oct 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$210.52
Total demand
$105.26
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 23, 2026 | 1 | $105.26 | $105.26 | MSA SAFETY SALES, LLC (8B9P7) | 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 |
|---|---|---|---|---|
| Oct 23, 2026 | SPE2DS27P0223 ↗ | MSA SAFETY SALES, LLC | — | $105.26 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
MSA SAFETY SALES, LLC
last award Oct 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 MINE SAFETY APPLIANCES COMPANY, LLC DBA M S A
no award yet
no awards on record
Listed source MSA SAFETY SALES, LLC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DS-26-T-492M | Sep 30, 2026 | Oct 5, 2026 | 1 | Expired | 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: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "INSERT,OPTICAL,CHEMICAL-BIOLOGIC." nsnexplorer.com, https://nsnexplorer.com/nsn/6540-01-565-0590/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6540-01-565-0590/