Acquisition method (AMC)
1
FSC 4240 × PROTECTOR,HEARING
PROTECTOR,HEARING
4240-00-022-2946 FSC 4240
NSN 4240-00-022-2946 (also written 4240000222946; NIIN 00-022-2946) is a protector, hearing in Federal Supply Class 4240, Safety and Rescue Equipment. 17 manufacturer part numbers from 12 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE8E9-27-T-0431 | 4,000 | Closes in 9d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 12489G-01 | 71483 | DAVID CLARK COMPANY INCORPORATED |
| 13675771-1 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| 1720SD | 02622 | AMERICAN OPTICAL CO |
| 1720SD | 88309 | AEARO COMPANY |
| 2700 | 9T907 | TASCO CORPORATION |
| 310 | 71483 | DAVID CLARK COMPANY INCORPORATED |
| 365 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 365GS | 79687 | DALLOZ SAFETY |
| 4240PL2088435 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 95635 | 55799 | MINE SAFETY APPLIANCES COMPANY |
| A-A-58084 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| E310 | 71483 | DAVID CLARK COMPANY INCORPORATED |
| M38268-2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MARK IV 458727 | 55799 | MINE SAFETY APPLIANCES COMPANY |
| MIL-P-38268 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILP38268 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| S2027 | 88001 | UNITED STATES POSTAL SERVICE |
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
$7.61
Purchases
2
Total spend
$38,410
Oct 27, 2026
Last purchased
4 · 4.0/yr
Purchase records
$76,820
Total demand
$7.61
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 27, 2026 | 3,000 | $7.61 | $22,830 | ADVANCE SAFETY EQUIPMENT CO. (1TAJ4) | Unknown | Source ↗ |
| Oct 7, 2026 | 2,000 | $7.79 | $15,580 | 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 |
|---|---|---|---|---|
| Oct 7, 2026 | SPE8E927V0037 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $15,580 |
| Oct 27, 2026 | SPE8E927V0152 ↗ | ADVANCE SAFETY EQUIPMENT CO. | — | $22,830 |
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 12 days from posting to award.
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
ADVANCE SAFETY EQUIPMENT CO.
last award Oct 2026
SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC
last award Oct 2026
AEARO COMPANY
no award yet
no awards on record
Listed source AMERICAN OPTICAL CO
no award yet
no awards on record
Listed source DALLOZ SAFETY
no award yet
no awards on record
Listed source DAVID CLARK COMPANY INCORPORATED
no award yet
no awards on record
Listed source FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source ADVANCE SAFETY EQUIPMENT CO. won 1 of the last 2 awards. ADVANCE SAFETY EQUIPMENT CO. and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E9-27-T-0431 | Nov 4, 2026 | Nov 16, 2026 | 4,000 | Open | View at DIBBS → |
| SPE8E9-27-T-0216 | Oct 16, 2026 | Oct 26, 2026 | 3,000 | Expired | View at DIBBS → |
| SPE8E9-26-T-3888 | Sep 25, 2026 | Oct 5, 2026 | 2,000 | 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: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PROTECTOR,HEARING." nsnexplorer.com, https://nsnexplorer.com/nsn/4240-00-022-2946/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4240-00-022-2946/