Acquisition method (AMC)
1
FSC 5325 × RING,RETAINING
RING,RETAINING
5325-01-055-3522 FSC 5325
NSN 5325-01-055-3522 (also written 5325010553522; NIIN 01-055-3522) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 3 manufacturer part numbers from 3 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 0.504 |
| CASEHARDENING INDICATOR AASG | NOT CASE-HARDENED |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.594 |
| MAJOR THICKNESS ABMC | INCHES NOMINAL 0.025 |
| RING STYLE ACXD | — |
| USAGE DESIGN ALBY | INTERNAL |
| MATERIAL MATT | STEEL COMP 302 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE AISI 302, 18-8 |
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 |
|---|---|---|
| 3415-56S | 51814 | SMALLEY STEEL RING CO. |
| 3415-56S | 80756 | SPIROLOX INC |
| 3415-56S | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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
—
Oct 5, 2026
Last purchased
1 · 1.0/yr
Purchase records
$482.40
Total demand
$482.40
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 |
|---|---|---|---|---|
| Oct 5, 2026 | SPE4A627P1206 ↗ | — | — | $482.40 |
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 7QNH3
last award Oct 2026
HAMILTON SUNDSTRAND CORPORATION
no award yet
no awards on record
Listed source SMALLEY STEEL RING CO.
no award yet
no awards on record
Listed source SPIROLOX INC
no award yet
no awards on record
Listed source CAGE 7QNH3 won the only award on record. CAGE 7QNH3 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,RETAINING." nsnexplorer.com, https://nsnexplorer.com/nsn/5325-01-055-3522/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5325-01-055-3522/