NUT,SELF-LOCKING,EXTENDED WASHER
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$10.21
Weighted average
$8.14
Weighted by quantity
Observed range
$2.78–$19.41
Coverage
17 awards
Jun 14, 1999 – Aug 11, 2026
Average: $10.21 · Weighted avg: $8.14 · Range: $2.78–$19.41 · Based on 17 awards, Jun 14, 1999–Aug 11, 2026.
Unit cost by award date · 17 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
17 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Aug 11, 2026 | 6FN58R & M GOVERNMENT SERVICES INCLAS CRUCES, NMSAM | 2,403 × $19.41 | $46,642 | SPE4A626PAR92 |
| Oct 25, 2023 | 0F4K9S & B, INC.VALENCIA, CASAM | 493 × $14.94 | $7,365 | SPE4A624F1787P00001 |
| Jun 7, 2023 | 0F4K9S & B, INC.VALENCIA, CASAM | 2,779 × $14.94 | $41,518 | SPE4A623F200JP00001 |
| Apr 27, 2023 | 0F4K9S & B, INC.VALENCIA, CASAM | 1,003 × $14.94 | $14,985 | SPE4A623F099TP00001 |
| Apr 27, 2023 | 0F4K9S & B, INC.VALENCIA, CASAM | 1,387 × $14.94 | $20,722 | SPE4A623F099V |
| Oct 19, 2021 | 0UCY9M.S. AEROSPACE INC.RANCHO CASCADES, CASAM | 3,854 × $7.39 | $28,481 | SPE4A622P2116P00001 |
| Feb 4, 2021 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 1,593 × $7.80 | $12,425 | SPE5E821V1545 |
| May 21, 2020 | 1BRD5FDH AERO, LLCCOMMERCE, CASAM | 3,000 × $7.91 | $23,730 | SPE5E820PQ077 |
| Nov 13, 2018 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 286 × $12.88 | $3,684 | SPE5E819V1355 |
| Oct 27, 2018 | 5ZD19FBC ENTERPRISES LLCSCOTTSDALE, AZSAM | 2,917 × $7.73 | $22,548 | SPE5E819P0294 |
| May 2, 2018 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 1,205 × $9.05 | $10,905 | SPE5E818PQ029P00001 |
| Sep 20, 2017 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 1,817 × $8.79 | $15,971 | SPE5E817PQ098 |
| Aug 9, 2016 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 1,702 × $9.05 | $15,403 | SPE5E816MQ241 |
| Dec 15, 2014 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 2,609 × $12.32 | $32,143 | SPE5E815MQ069 |
| Jul 26, 2011 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 13,810 × $3.56 | $49,164 | SPM5A711MQ276P00001 |
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 NAS1291X10
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL | OVERALL STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-N-25027 |
| NOMINAL THREAD SIZE | INCHES 0.625 |
| OVERALL HEIGHT | INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.550 |
| SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1291 |
| SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 1 OR FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TYE 2,CLASS 2 |
| TEMP RATING | FAHRENHEIT MAXIMUM 450.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER OUTSIDE DIAMETER | INCHES MAXIMUM 1.014 |
| WASHER THICKNESS | INCHES MINIMUM 0.050 |
| WIDTH ACROSS FLATS | INCHES MINIMUM 0.743 AND INCHES MAXIMUM 0.755 |
Open buys
DIBBS · quotes by Sep 30, 2026 · HUBZONE