Acquisition method (AMC)
1
FSC 5325 × RING,RETAINING
RING,RETAINING
5325-01-053-6183 FSC 5325
NSN 5325-01-053-6183 (also written 5325010536183; NIIN 01-053-6183) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 12 manufacturer part numbers from 8 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 | |
|---|---|---|---|
| SPE4A1-27-T-0273 | 11,145 | Closes in 6d | Bid → |
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 |
|---|---|
| INSIDE DIAMETER AARX | INCHES NOMINAL 0.184 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.345 AND INCHES MAXIMUM 0.355 |
| MATERIAL MATT | STEEL COMP 631 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-25043 |
| SURFACE TREATMENT SFTT | CADMIUM AND CHROMATE |
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 |
|---|---|---|
| 120001-4 | 1P9E7 | NESSTAY SUPPLY, INC. |
| 120001-4 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE |
| 3D0164-4 | 88277 | THE BOEING COMPANY |
| 5325PL0723732 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 5325PL1739860 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 5325PL2125995 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| C9538-4 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS |
| C9538-4 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE |
| C9538-4 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| CA21037CL-4R | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS |
| CA21037CL-4R | D0680 | FAIRCHILD FASTENERS EUROPE - CAMLOC GMBH |
| RR4040CL-4 | 58998 | FASTENER INNOVATION TECHNOLOGY, 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
$0.85
Purchases
3
Total spend
$20,034
Oct 29, 2026
Last purchased
6 · 6.0/yr
Purchase records
$40,067
Total demand
$0.85
Latest unit price
Price history with quantity and a typical range
What has the government paid for this item, and was any award out of line? Every award as a dot, Aug 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $0.78 and $0.86.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$0.81
Weighted by quantity$0.77
Observed range$0.71 – $0.87
Window coveredAug 2026 – Oct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 6,191 | $0.85 | CAGE 0F4K9 |
| Oct 2026 | 4,325 | $0.87 | DEFENSE SUPPORT SERVICES, INC. |
| Aug 2026 | 15,505 | $0.71 | AERO-GLEN INTERNATIONAL LLC |
Shaded rows are included. This reports past awards and does not suggest a price.
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | 6,191 | $0.85 | $5,262 | Unknown (0F4K9) | Unknown | Source ↗ |
| Oct 15, 2026 | 4,325 | $0.87 | $3,763 | DEFENSE SUPPORT SERVICES, INC. (1L3U4) | Unknown | Source ↗ |
| Aug 26, 2026 | 15,505 | $0.71 | $11,009 | AERO-GLEN INTERNATIONAL LLC (9V172) | 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 |
|---|---|---|---|---|
| Aug 26, 2026 | SPE4A126V1715 ↗ | AERO-GLEN INTERNATIONAL LLC | — | $11,009 |
| Oct 15, 2026 | SPE4A127P0123 ↗ | DEFENSE SUPPORT SERVICES, INC. | — | $3,763 |
| Oct 29, 2026 | SPE4A127V0366 ↗ | — | — | $5,262 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 4 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.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 7 days from posting to award.
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 0F4K9
last award Oct 2026
DEFENSE SUPPORT SERVICES, INC.
last award Oct 2026
AERO-GLEN INTERNATIONAL LLC
last award Aug 2026
FAIRCHILD FASTENERS EUROPE - CAMLOC GMBH
no award yet
no awards on record
Listed source FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source CAGE 0F4K9 won 1 of the last 3 awards. CAGE 0F4K9 and 2 others won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A1-27-T-0273 | Nov 6, 2026 | Nov 13, 2026 | 11,145 | Open | View at DIBBS → |
| SPE4A1-27-T-0187 | Oct 23, 2026 | Oct 30, 2026 | 6,191 | Expired | View at DIBBS → |
| SPE4A1-26-T-2912 | Sep 23, 2026 | Sep 30, 2026 | 4,325 | Expired | View at DIBBS → |
| SPE4A1-26-T-2635 | Aug 19, 2026 | Aug 26, 2026 | 15,505 | 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: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,RETAINING." nsnexplorer.com, https://nsnexplorer.com/nsn/5325-01-053-6183/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5325-01-053-6183/