Acquisition method (AMC)
1
FSC 5310 × WASHER,SADDLE
WASHER,SADDLE
5310-01-203-6344 FSC 5310
NSN 5310-01-203-6344 (also written 5310012036344; NIIN 01-203-6344) is a washer, saddle in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 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 |
|---|---|
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.508 AND INCHES MAXIMUM 0.513 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 1.000 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.058 AND INCHES MAXIMUM 0.068 |
| THICKNESS AT BOLT HOLE ABMP | INCHES NOMINAL 0.038 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| SURFACE TREATMENT SFTT | OVERALL PAINT EPOXY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MFR REF SINGLE TREATMENT RESPONSE SS8870,CAGEC 78286 |
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 |
|---|---|---|
| 65311-03001-101 | 0TFG3 | ADK MACHINE INC |
| 65311-03001-101 | 32448 | A.W. MACK MANUFACTURING CO., INC. |
| 65311-03001-101 | 54878 | ROTAIR AEROSPACE CORP |
| 65311-03001-101 | 66841 | PRECI-MANUFACTURING, INCORPORATED |
| 65311-03001-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
| 65311-03001-101 | 8F781 | STEVENS MANUFACTURING CO., 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
$50.00
Purchases
1
Total spend
$2,750
Oct 7, 2026
Last purchased
2 · 2.0/yr
Purchase records
$5,500
Total demand
$50.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | 55 | $50.00 | $2,750 | ROTAIR AEROSPACE CORP (54878) | 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 |
|---|---|---|---|---|
| Oct 7, 2026 | SPE4A627P1438 ↗ | ROTAIR AEROSPACE CORP | — | $2,750 |
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
ROTAIR AEROSPACE CORP
last award Oct 2026
A.W. MACK MANUFACTURING CO., INC.
no award yet
no awards on record
Listed source ADK MACHINE INC
no award yet
no awards on record
Listed source PRECI-MANUFACTURING, INCORPORATED
no award yet
no awards on record
Listed source SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
no award yet
no awards on record
Listed source STEVENS MANUFACTURING CO., INC.
no award yet
no awards on record
Listed source ROTAIR AEROSPACE CORP won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-27PM | Sep 10, 2026 | Sep 17, 2026 | 55 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SADDLE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-203-6344/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-203-6344/