WASHER,FLAT
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$103.47
Weighted average
$52.76
Weighted by quantity
Observed range
$7.80–$200
Coverage
12 awards
Jun 6, 2007 – Oct 29, 2025
Average: $103.47 · Weighted avg: $52.76 · Range: $7.80–$200.00 · Based on 12 awards, Jun 6, 2007–Oct 29, 2025.
Unit cost by award date · 12 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
12 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Oct 29, 2025 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 63 × $100.00 | $6,300 | SPE4A526P0901 |
| Jun 12, 2025 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 9 × $135.00 | $1,215 | SPE4A525P6399 |
| Sep 27, 2024 | 7CNG1FDH DEFENSE AFTERMARKET, LLCCOMMERCE, CASAM | 4 × $125.00 | $500 | SPE4A524P9927 |
| Sep 11, 2024 | 27541TRANSAERO, INC.MELVILLE, NYSAM | 75 × $97.72 | $7,329 | SPE4A524V3033 |
| Jun 25, 2024 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 21 × $200.00 | $4,200 | SPE4A524P7617 |
| Oct 31, 2023 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 83 × $135.00 | $11,205 | SPE4A524P0900 |
| Sep 27, 2023 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 25 × $175.00 | $4,375 | SPE4A523P6400 |
| Sep 21, 2023 | 2S601SIMS ENTERPRISES LLCCANBY, ORSAM | 48 × $150.00 | $7,200 | SPE4A623PYU37 |
| Apr 20, 2022 | 27541TRANSAERO, INC.MELVILLE, NYSAM | 25 × $45.55 | $1,139 | SPE4A522P6364 |
| May 7, 2021 | 27541TRANSAERO, INC.MELVILLE, NYSAM | 35 × $43.28 | $1,515 | SPE4A521P5269 |
| Mar 7, 2013 | 45934ONTIC ENGINEERING & MANUFACTURING,CHATSWORTH, CASAM | 413 × $27.29 | $11,271 | SPE4A713M6766P00001 |
| Jun 6, 2007 | 7Z016KAMPI COMPONENTS CO INCFAIRLESS HILLS, PASAM | 311 × $7.80 | $2,426 | SPM5A407M2250 |
Manufacturers who have won this NSN
Distinct CAGEs with a confirmed DIBBS award line for this part — each opens the manufacturer page.
Also MCRL-listed · PN 542409
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN 542409
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| HOLE DIAMETER | INCHES MINIMUM 0.420 AND INCHES MAXIMUM 0.430 |
| MATERIAL | OVERALL WOOL COMP 16R1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE |
| OVERALL DIAMETER | INCHES MINIMUM 0.610 AND INCHES MAXIMUM 0.620 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PROTECTIVE, SEAL |
| THICKNESS | INCHES NOMINAL 0.110 |
Open buys
DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED