Acquisition method (AMC)
3
FSC 5310 × WASHER,FLAT
WASHER,FLAT
5310-00-845-2356 FSC 5310
NSN 5310-00-845-2356 (also written 5310008452356; NIIN 00-845-2356) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
P
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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 MINIMUM 0.752 AND INCHES MAXIMUM 0.756 |
| PERIPHERAL SHAPE STYLE ABMW | — |
| CENTER HOLE SHAPE STYLE ABMX | — |
| THICKNESS ABNM | INCHES MINIMUM 0.071 AND INCHES MAXIMUM 0.085 |
| OVERALL DIAMETER ADAV | INCHES MINIMUM 1.518 AND INCHES MAXIMUM 1.528 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| MATERIAL MATT | OVERALL STEEL COMP 4130 OR STEEL COMP 1050 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-6758 OR MIL SPEC 1ST MATERIAL RESPONSE -IL-S-18729 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5085 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 QQ--416 |
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 |
|---|---|---|
| WP22-12 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
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
$32.95
Purchases
1
Total spend
$13,279
Nov 3, 2026
Last purchased
3 · 3.0/yr
Purchase records
$28,198
Total demand
$32.95
Latest unit price
Purchase history
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 19, 2026 | SPE4A627P2431 ↗ | CBOL CORPORATION DBA CBOL CORP | — | $1,640 |
| Nov 3, 2026 | SPE4A627P4528 ↗ | — | — | $13,279 |
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
CAGE 13W08
last award Nov 2026
SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source CAGE 13W08 won the only award on record. CAGE 13W08 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-1958 | Oct 13, 2026 | Oct 23, 2026 | 403 | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-845-2356/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-845-2356/