Acquisition method (AMC)
1
FSC 2805 × RING,PISTON
RING,PISTON
2805-01-157-4643 FSC 2805
NSN 2805-01-157-4643 (also written 2805011574643; NIIN 01-157-4643) is a ring, piston in Federal Supply Class 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. 2 manufacturer part numbers from 2 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 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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RADIAL WALL THICKNESS ACXF | INCHES MINIMUM 0.0300 AND INCHES MAXIMUM 0.0320 |
| OVERALL WIDTH ACXJ | INCHES MINIMUM 0.0740 AND INCHES MAXIMUM 0.0780 |
| MATERIAL MATT | OVERALL PLASTIC POLYTETRAFLUOROETHYLENE |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MFR REF SINGLE MATERIAL RESPONSE A50TF22-CL-A,FSC- 99207 |
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 |
|---|---|---|
| 10106402 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 3026T94P01 | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
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
$72.16
Purchases
1
Total spend
$2,381
Oct 2, 2026
Last purchased
3 · 3.0/yr
Purchase records
$5,088
Total demand
$72.16
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | 33 | $72.16 | $2,381 | POLYTECH DEFENSE SPARES LLC (4K539) | 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 |
|---|---|---|---|---|
| Sep 21, 2026 | SPE4A626P0ZZQ ↗ | POLYTECH DEFENSE SPARES LLC | — | $325.00 |
| Oct 2, 2026 | SPE7L527V0014 ↗ | POLYTECH DEFENSE SPARES LLC | — | $2,381 |
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
POLYTECH DEFENSE SPARES LLC
last award Oct 2026
GENERAL ELECTRIC COMPANY DBA GE AEROSPACE
no award yet
no awards on record
Listed source NIMIKKEISTOKESKUS NCB FINLAND
no award yet
no awards on record
Listed source POLYTECH DEFENSE SPARES LLC won the only award on record. POLYTECH DEFENSE SPARES LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L5-26-T-5674 | Sep 29, 2026 | Oct 9, 2026 | 33 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/2805-01-157-4643/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/2805-01-157-4643/