Acquisition method (AMC)
3
FSC 2530 × CHAMBER,AIR BRAKE
CHAMBER,AIR BRAKE
2530-01-558-4921 FSC 2530
NSN 2530-01-558-4921 (also written 2530015584921; NIIN 01-558-4921) is a chamber, air brake in Federal Supply Class 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | 2320-01-542-7628;TRUCK, CARGO, 22.5 TON, 10X10, LVSR, MODEL NUMBER MKR18; MRAP - M-ATV |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | BRAKE CHAMBER TYPE 9 WEDGE |
| SPECIAL FEATURES FEAT | OPERTING PRESSURE: 100 PSI MAX; 0.375 NPTF,DRYSEAL,INLET PORT;LOWEST VENT PLUG REMOVED AFTER CHAMBER INSTALLATION;CHAMBER DIA: 5.218 INCH NOM,NECK DIA:1.620 INCH NOM;NECK LENGTH: 1.560 MIN FULL THREADS;THREADS ARE: 1.750-12 UN-2A |
| PROPRIETARY CHARACTERISTICS PRPY | NPAC |
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 |
|---|---|---|
| 1009103 | 4B100 | INDIAN HEAD INDUSTRIES, INC. DIV MGM BRAKES |
| 2530015584921 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES |
| 3534214 | 45152 | OSHKOSH CORP |
| 3534214 | 75Q65 | OSHKOSH DEFENSE LLC |
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
—
Purchases
0
Total spend
—
Oct 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$11,985
Total demand
$1,563
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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 |
|---|---|---|---|---|
| Sep 10, 2026 | SPE7L326D60WK/SPE7L026F7494 ↗ | VEHICLE MAINTENANCE PROGRAM INC DIV FEDERAL SALES | — | $10,422 |
| Oct 22, 2026 | SPE7L326D60WK/SPE7L027F0517 ↗ | VEHICLE MAINTENANCE PROGRAM INC DIV FEDERAL SALES | — | $1,563 |
Demand history
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
VEHICLE MAINTENANCE PROGRAM INC DIV FEDERAL SALES
last award Oct 2026
E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
no award yet
no awards on record
Listed source INDIAN HEAD INDUSTRIES, INC. DIV MGM BRAKES
no award yet
no awards on record
Listed source OSHKOSH CORP
no award yet
no awards on record
Listed source OSHKOSH DEFENSE LLC
no award yet
no awards on record
Listed source VEHICLE MAINTENANCE PROGRAM INC DIV FEDERAL SALES won 2 of the last 2 awards. VEHICLE MAINTENANCE PROGRAM INC DIV FEDERAL SALES won without being a listed source.
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 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "CHAMBER,AIR BRAKE." nsnexplorer.com, https://nsnexplorer.com/nsn/2530-01-558-4921/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/2530-01-558-4921/