Acquisition method (AMC)
3
FSC 5310 × WASHER,CYLINDER
WASHER,CYLINDER
5310-01-129-3666 FSC 5310
NSN 5310-01-129-3666 (also written 5310011293666; NIIN 01-129-3666) is a washer, cylinder in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 1 supplier 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 | |
|---|---|---|---|
| SPE4A5-27-T-0509 | 19 | Closes in 1d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | AIRCRAFT MODEL H-53 |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | STEEL 17-4PH PER AMS 5643; 2.540 IN. OD; 1.620 IN. ID; 0.098 IN. DIA,12 HOLES EQUALLY SPACED AMS 5643 |
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 |
|---|---|---|
| 65664-06311-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
| 65664-06311-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
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
—
Sep 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,294
Total demand
$3,294
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 |
|---|---|---|---|---|
| Sep 28, 2026 | SPE4A626T067L/SPE4A626F509T ↗ | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | — | $3,294 |
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
SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
last award Sep 2026
SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A5-27-T-0509 | Oct 13, 2026 | Oct 20, 2026 | 19 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,CYLINDER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-129-3666/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-129-3666/