Acquisition method (AMC)
1
FSC 5325 × RING,RETAINING
RING,RETAINING
5325-00-598-4891 FSC 5325
NSN 5325-00-598-4891 (also written 5325005984891; NIIN 00-598-4891) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Feb 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)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| MATERIAL HARDNESS RATING ALME | ROCKWELL SUPERFICIAL 30-N MINIMUM 65.0 AND ROCKWELL SUPERFICIAL 30-N MAXIMUM 68.0 |
| MATERIAL MATT | STEEL |
| SURFACE TREATMENT SFTT | CADMIUM |
| RING STYLE ACXD | — |
| USAGE DESIGN ALBY | EXTERNAL |
| STRENGTH RATING AWQD | POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 220000.0 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.735 |
| MAJOR THICKNESS ABMC | INCHES NOMINAL 0.027 |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| INSIDE DIAMETER AARX | INCHES MINIMUM 0.621 AND INCHES MAXIMUM 0.629 |
| CASEHARDENING INDICATOR AASG | NOT CASE-HARDENED |
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 |
|---|---|---|
| 185290 | 04414 | RATCHFORD CORP |
| 185290 | 33823 | ADAMS INDUSTRIES INC A SUB OF BANNER INDUSTRIES INC |
| 185290 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 185290 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 185290 | 80756 | SPIROLOX INC |
| 185290 77445 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
—
Feb 27, 2026
Last purchased
1 · 1.0/yr
Purchase records
$10,032,972
Total demand
$10,032,972
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 |
|---|---|---|---|---|
| Feb 27, 2026 | SPE4AX25D9000/SPE4AX26F7867 ↗ | RTX CORPORATION DIV PRATT & WHITNEY | — | $10,032,972 |
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
RTX CORPORATION DIV PRATT & WHITNEY
last award Feb 2026
ADAMS INDUSTRIES INC A SUB OF BANNER INDUSTRIES INC
no award yet
no awards on record
Listed source RATCHFORD CORP
no award yet
no awards on record
Listed source RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
no award yet
no awards on record
Listed source SPIROLOX INC
no award yet
no awards on record
Listed source RTX CORPORATION DIV PRATT & WHITNEY won the only award on record.
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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,RETAINING." nsnexplorer.com, https://nsnexplorer.com/nsn/5325-00-598-4891/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5325-00-598-4891/