WASHER,FLAT
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$4.16
Weighted average
$3.32
Weighted by quantity
Observed range
$2.80–$6.62
Coverage
7 awards
Aug 9, 1999 – Oct 17, 2024
Average: $4.16 · Weighted avg: $3.32 · Range: $2.80–$6.62 · Based on 7 awards, Aug 9, 1999–Oct 17, 2024.
Unit cost by award date · 7 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
7 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Oct 17, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2 × $6.62 | $13 | SPE4A625FA7P1 |
| Sep 20, 2023 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2 × $5.85 | $12 | SPE4A623FC9Q5 |
| Mar 22, 2022 | 6JSD9MIDWEST MILITARY FASTENERS LLCHOWELL, MISAM | 876 × $3.32 | $2,908 | SPE4A622V129XP00001 |
| Feb 23, 2021 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 399 × $4.05 | $1,616 | SPE5E821V1734 |
| Mar 10, 2016 | 3DZB2GOLDEN STATE ENGINEERING, INC.PARAMOUNT, CASAM | 581 × $2.80 | $1,627 | SPE5E816V3451 |
| May 19, 2014 | 0NFB8DIALOGIC CORPBENSALEM, PASAM | 443 × $3.49 | $1,546 | SPE5E814V5663 |
| Aug 9, 1999 | 0B011HIGH QUALITY MACHINE SHOP, INC.SAN ANTONIO, TXSAM | 278 × $3.00 | $834 | SP054099MJZ99 |
Manufacturers who have won this NSN
Distinct CAGEs with a confirmed DIBBS award line for this part — each opens the manufacturer page.
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN LS5931C3
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| HOLE DIAMETER | INCHES MINIMUM 0.214 AND INCHES MAXIMUM 0.227 |
| MATERIAL | OVERALL STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5059 AND MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6721 AND MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6721 AND MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6721 |
| OVERALL DIAMETER | INCHES NOMINAL 0.337 |
| SURFACE TREATMENT | OVERALL CADMIUM |
| THICKNESS | INCHES NOMINAL 0.080 |
Open buys
DIBBS · quotes by Sep 21, 2026 · UNRESTRICTED