Acquisition method (AMC)
1
FSC 2990 × MUFFLER,EXHAUST
MUFFLER,EXHAUST
2990-01-132-9173 FSC 2990
NSN 2990-01-132-9173 (also written 2990011329173; NIIN 01-132-9173) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 3 manufacturer part numbers from 3 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 | |
|---|---|---|---|
| SPE7L5-27-T-0121 | 11 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| OVERALL LENGTH ABHP | INCHES NOMINAL 63.750 |
| INLET CONNECTION TYPE ACQW | SINGLE INLET UNTHREADED |
| OVERALL DIAMETER ADAV | INCHES NOMINAL 10.120 |
| OUTLET INSIDE DIAMETER AJLW | FIRST OUTLET INCHES NOMINAL 5.030 |
| DESIGN TYPE APGF | DRY |
| COOLANT TYPE ARNA | AIR |
| BODY SHAPE ARNG | ROUND |
| OPERATING POSITION ARNH | HORIZONTAL |
| INLET LOCATION ARNJ | LOCATED 5.500 IN. FROM END ON SIDE OF BODY SINGLE INLET |
| INLET PROJECTION LENGTH ARNK | SINGLE INLET INCHES NOMINAL 2.940 |
| INLET INSIDE DIAMETER ARTE | SINGLE INLET INCHES NOMINAL 5.030 |
| OUTLET CONNECTION TYPE ARTH | FIRST OUTLET UNTHREADED |
| OUTLET LOCATION ARTJ | CENTRALLY LOCATED IN END SECTION OF BODY FIRST OUTLET |
| OUTLET PROJECTION LENGTH ARTK | FIRST OUTLET INCHES NOMINAL 3.500 |
| MATERIAL MATT | LOCATION NOT OTHERWISE SPECIFIED STEEL CORROSION RESISTING |
| SURFACE TREATMENT SFTT | ALUMINUM ALLOY |
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 |
|---|---|---|
| 1309000 | 45152 | OSHKOSH CORP |
| 1309000 | 75Q65 | OSHKOSH DEFENSE LLC |
| MAM10-0417 | 18265 | DONALDSON COMPANY, INC. |
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
$977.33
Purchases
1
Total spend
$10,751
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$21,501
Total demand
$977.33
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 11 | $977.33 | $10,751 | OSHKOSH DEFENSE LLC (75Q65) | 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 16, 2026 | SPE7L527V0050 ↗ | OSHKOSH DEFENSE LLC | — | $10,751 |
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
OSHKOSH DEFENSE LLC
last award Oct 2026
DONALDSON COMPANY, INC.
no award yet
no awards on record
Listed source OSHKOSH CORP
no award yet
no awards on record
Listed source OSHKOSH DEFENSE LLC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L5-27-T-0121 | Oct 13, 2026 | Oct 23, 2026 | 11 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "MUFFLER,EXHAUST." nsnexplorer.com, https://nsnexplorer.com/nsn/2990-01-132-9173/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/2990-01-132-9173/