Acquisition method (AMC)
1
FSC 2815 × SPRING,EXPANDER,PISTON RING
SPRING,EXPANDER,PISTON RING
2815-01-502-8792 FSC 2815
NSN 2815-01-502-8792 (also written 2815015028792; NIIN 01-502-8792) is a spring, expander, piston ring in Federal Supply Class 2815, Diesel Engines and Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | 2320-01-097-0260 TRUCK,CARGO; W/S TRUCK HEAVY EXPANDED MOBILITY TACTICAL (HEMTT); MRAP BUFFALO MK2A2 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | SPRING ASSEMBLY, C2 PISTON RETURN |
| SPECIAL FEATURES FEAT | USED ON HEMTT MODEL 977 WITH WINCH; GOES TO ROTATING CLUTCH WITHOUT POWER TAKE OFF FOUND ON TRANSMISSION FOR DETROIT DIESEL DEC IV ENGINE |
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 |
|---|---|---|
| 29505719 | 64678 | DAIMLER TRUCK NORTH AMERICA LLC |
| 29505719 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC |
| 5HA155 | 45152 | OSHKOSH CORP |
| 5HA155 | 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
—
Aug 27, 2026
Last purchased
1 · 1.0/yr
Purchase records
$16,388
Total demand
$16,388
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 |
|---|---|---|---|---|
| Aug 27, 2026 | SPE7L426D60XP/SPE7L026F6908 ↗ | — | — | $16,388 |
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
CAGE 1SHN6
last award Aug 2026
ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC
no award yet
no awards on record
Listed source DAIMLER TRUCK NORTH AMERICA LLC
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 CAGE 1SHN6 won the only award on record. CAGE 1SHN6 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 28, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SPRING,EXPANDER,PISTON RING." nsnexplorer.com, https://nsnexplorer.com/nsn/2815-01-502-8792/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/2815-01-502-8792/