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
$5.37
Weighted average
$4.56
Weighted by quantity
Observed range
$2.50–$12.59
Coverage
15 awards
Feb 26, 1999 – Feb 4, 2025
Average: $5.37 · Weighted avg: $4.56 · Range: $2.50–$12.59 · Based on 15 awards, Feb 26, 1999–Feb 4, 2025.
Unit cost by award date · 15 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
15 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Feb 4, 2025 | 1L3U4DEFENSE SUPPORT SERVICES, INC.ARLINGTON, TXSAM | 605 × $12.59 | $7,617 | SPE4A625PE149 |
| Mar 25, 2024 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 649 × $7.80 | $5,062 | SPE4A624V057R |
| Dec 4, 2023 | 2V484BOEING DISTRIBUTION SERVICES, INC.O FALLON, MOSAM | 2,148 × $6.60 | $14,177 | SPE4A624V3733 |
| Jun 21, 2018 | 56878SPS TECHNOLOGIES, LLCJENKINTOWN, PASAM | 4,021 × $3.74 | $15,039 | SPE4A418V8993 |
| Feb 17, 2018 | 56878SPS TECHNOLOGIES, LLCJENKINTOWN, PASAM | 3,187 × $3.89 | $12,397 | SPE4A718P6281 |
| Jul 30, 2015 | 00360APOLLO AEROSPACE COMPONENTS LLCBENSALEM, PASAM | 2,035 × $4.10 | $8,344 | SPE5E815M4647 |
| Mar 17, 2015 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 1,913 × $2.50 | $4,783 | SPE5E815M2384 |
| Apr 23, 2013 | 06329ASC INTERNATIONAL, INC.ARLINGTON, TXSAM | 5,719 × $2.86 | $16,356 | SPM5E113V5703 |
| Jan 7, 2010 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 5,133 × $4.70 | $24,125 | SPM5AC10M0147 |
| Feb 25, 2009 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 2,500 × $5.22 | $13,050 | SPM5AC09M0294 |
| Aug 24, 2007 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 695 × $5.22 | $3,628 | SPM5AC07M0932 |
| Jul 5, 2007 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 570 × $5.22 | $2,975 | SPM5AC07M0727 |
| Apr 24, 2007 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 4,978 × $4.90 | $24,392 | SPM5AC07M0472 |
| Jan 24, 2007 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 5,135 × $5.00 | $25,675 | SPM5AC07M0202 |
| Feb 26, 1999 | 6A768HONEYWELL INTERNATIONAL INC.EL SEGUNDO, CASAM | 800 × $6.28 | $5,024 | SP054099W1890 |
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 FN22-720
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN K618679-11
PN 5310PL0150630
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| HARDNESS RATING | ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 47.0 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| MATERIAL | OVERALL STEEL COMP 8740 OR STEEL COMP H11 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S6322 OR ASSN STD SINGLE MATERIAL RESPONSE A-S6485 |
| NOMINAL THREAD SIZE | INCHES 0.438 |
| OVERALL HEIGHT | INCHES MAXIMUM 0.430 |
| SURFACE TREATMENT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 |
| TEMP RATING | FAHRENHEIT NOMINAL 450.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER OUTSIDE DIAMETER | INCHES MAXIMUM 0.750 |
| WASHER THICKNESS | INCHES MINIMUM 0.080 |
| WIDTH ACROSS FLATS | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
Open buys
DIBBS · quotes by Sep 29, 2026 · TOTAL SMALL BUSINESS