Acquisition method (AMC)
1
FSC 5325 × RING,RETAINING
RING,RETAINING
5325-01-179-0842 FSC 5325
NSN 5325-01-179-0842 (also written 5325011790842; NIIN 01-179-0842) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 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 | |
|---|---|---|---|
| SPE4A6-27-T-3360 | 170 | Closes in 1d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
P
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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 | — |
| INSIDE DIAMETER AARX | INCHES NOMINAL 2.036 |
| CASEHARDENING INDICATOR AASG | NOT CASE-HARDENED |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 2.352 AND INCHES MAXIMUM 2.377 |
| MAJOR THICKNESS ABMC | INCHES MINIMUM 0.029 AND INCHES MAXIMUM 0.033 |
| RING STYLE ACXD | — |
| USAGE DESIGN ALBY | INTERNAL |
| STRENGTH RATING AWQD | POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 200000.0 |
| MATERIAL MATT | STEEL COMP 302 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD 1ST MATERIAL RESPONSE SAE 302 AND ASSN STD 2ND MATERIAL RESPONSE AISI 302 AND MIL SPEC 3RD MATERIAL RESPONSE -IL-S-5059, TYE 302 AND ASSN STD 4TH MATERIAL RESPONSE A-S 5688 AND FED SPEC 5TH MATERIAL RESPONSE QQ-S-766, CLASS 302 SAE 302 |
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 |
|---|---|---|
| HS3031UR225S | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
| HS3031UR225S | 8V613 | THE BOEING COMPANY |
| UR-225S | 80756 | SPIROLOX 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
$1.26
Purchases
1
Total spend
$214.20
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$428.40
Total demand
$1.26
Latest unit price
Purchase history
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 | SPE4A627V0692 ↗ | — | — | $214.20 |
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
CAGE 8U976
last award Oct 2026
MCDONNELL DOUGLAS HELICOPTER CO INC
no award yet
no awards on record
Listed source SPIROLOX INC
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source CAGE 8U976 won the only award on record. CAGE 8U976 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-3360 | Oct 13, 2026 | Oct 20, 2026 | 170 | 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. "RING,RETAINING." nsnexplorer.com, https://nsnexplorer.com/nsn/5325-01-179-0842/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5325-01-179-0842/