Acquisition method (AMC)
1
FSC 5310 × WASHER,FLAT
WASHER,FLAT
5310-01-377-4386 FSC 5310
NSN 5310-01-377-4386 (also written 5310013774386; NIIN 01-377-4386) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 | — |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.647 |
| WIDTH ABGL | INCHES NOMINAL 0.540 |
| PERIPHERAL SHAPE STYLE ABMW | — |
| CENTER HOLE SHAPE STYLE ABMX | — |
| THICKNESS ABNM | INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.060 |
| OVERALL DIAMETER ADAV | INCHES MINIMUM 0.985 AND INCHES MAXIMUM 0.990 |
| MATERIAL MATT | OVERALL TITANIUM |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL NATIONAL SPEC ALL MATERIAL RESPONSES A-S4900 |
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 |
|---|---|---|
| 5310PL1937488 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 70209-27000-121 | 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
$6.54
Purchases
1
Total spend
$6,383
Oct 20, 2026
Last purchased
2 · 2.0/yr
Purchase records
$12,766
Total demand
$6.54
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 20, 2026 | 976 | $6.54 | $6,383 | AMERICAN DEFENSE COMPONENTS, LLC (4U6M9) | 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 20, 2026 | SPE4A627P2295 ↗ | AMERICAN DEFENSE COMPONENTS, LLC | — | $6,383 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 23 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.
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
AMERICAN DEFENSE COMPONENTS, LLC
last award Oct 2026
JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
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 AMERICAN DEFENSE COMPONENTS, LLC won the only award on record. AMERICAN DEFENSE COMPONENTS, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-3694 | Oct 14, 2026 | Oct 21, 2026 | 2,271 | Expired | View at DIBBS → |
| SPE4A6-26-T-35FU | Sep 23, 2026 | Sep 30, 2026 | 976 | Expired | View at DIBBS → |
| SPE4A6-26-T-28KH | Sep 10, 2026 | Sep 17, 2026 | 1,475 | Expired | View at DIBBS → |
| SPE4A6-26-T-26QX | Sep 4, 2026 | Sep 11, 2026 | 1 | Expired | View at DIBBS → |
| SPE4A6-26-T-25AP | Sep 1, 2026 | Sep 8, 2026 | 1,475 | Cancelled | View at DIBBS → |
| SPE4A6-26-T-25GL | Sep 1, 2026 | Sep 8, 2026 | 4 | Expired | View at DIBBS → |
| SPE4A6-26-T-23XU | Aug 28, 2026 | Sep 4, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A0-26-T-4485 | Aug 27, 2026 | Sep 3, 2026 | 100 | Expired | View at DIBBS → |
| SPE4A6-26-T-22SC | Aug 27, 2026 | Sep 3, 2026 | 32 | Expired | View at DIBBS → |
| SPE4A6-26-T-22SF | Aug 27, 2026 | Sep 3, 2026 | 3 | Expired | View at DIBBS → |
| SPE4A6-26-T-22SJ | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-22SK | Aug 27, 2026 | Sep 3, 2026 | 55 | Expired | View at DIBBS → |
| SPE4A6-26-T-22VN | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-22VQ | Aug 27, 2026 | Sep 3, 2026 | 100 | Expired | View at DIBBS → |
| SPE4A6-26-T-22XW | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-23AJ | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-23AK | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-23CN | Aug 27, 2026 | Sep 3, 2026 | 2 | Expired | View at DIBBS → |
| SPE4A6-26-T-23CP | Aug 27, 2026 | Sep 3, 2026 | 100 | Expired | View at DIBBS → |
| SPE4A6-26-T-23DS | Aug 27, 2026 | Sep 3, 2026 | 11 | Expired | View at DIBBS → |
| SPE4A6-26-T-23TX | Aug 27, 2026 | Sep 3, 2026 | 50 | Expired | View at DIBBS → |
| SPE4A6-26-T-23UA | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23UL | Aug 27, 2026 | Sep 3, 2026 | 4 | 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: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-377-4386/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-377-4386/