Acquisition method (AMC)
3
FSC 5325 × RING,RETAINING
RING,RETAINING
5325-00-251-6131 FSC 5325
NSN 5325-00-251-6131 (also written 5325002516131; NIIN 00-251-6131) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 11 manufacturer part numbers from 11 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 | |
|---|---|---|---|
| SPE4A6-27-T-9146 | 4,982 | Closes in 6d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
B
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| CASEHARDENING INDICATOR AASG | NOT CASE-HARDENED |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.422 |
| MAJOR THICKNESS ABMC | INCHES NOMINAL 0.025 |
| RING STYLE ACXD | — |
| USAGE DESIGN ALBY | INTERNAL |
| SURFACE TREATMENT SFTT | PASSIVATE |
| MATERIAL MATT | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FED SPEC SINGLE MATERIAL RESPONSE QQ-W-423,FOR- 1,CO-OSITION 302,304,305,316,CONDITION B QQ-W-423 |
| INSIDE DIAMETER AARX | INCHES NOMINAL 0.328 |
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 |
|---|---|---|
| 10737-001 | 10396 | HERCULES INC AEROSPACE DIV BACCHUS WORKS |
| 1134526G1 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST |
| 11501076-1 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| 149AS144 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 2107417-1 | 63910 | BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. |
| 5325PL1183668 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 9646M06P01 | 07482 | GENERAL ELECTRIC COMPANY |
| FX10-1525 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS |
| FX10-1525 | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| FX10-1525 | D0680 | FAIRCHILD FASTENERS EUROPE - CAMLOC GMBH |
| VA-97-7088-001 | K0668 | LEONARDO UK LTD |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-9146 | Nov 6, 2026 | Nov 13, 2026 | 4,982 | Open | View at DIBBS → |
| SPE4A6-26-T-86F1 | Jun 10, 2026 | Aug 13, 2026 | 4,940 | Expired | View at DIBBS → |
| SPE4A6-26-T-09XM | Jul 28, 2026 | Aug 7, 2026 | 12,436 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,RETAINING." nsnexplorer.com, https://nsnexplorer.com/nsn/5325-00-251-6131/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5325-00-251-6131/