NUT,PLAIN,ASSEMBLED WASHER
DIBBS awards by month · trailing 12 mo
4 total
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$12.95
Weighted average
$7.47
Weighted by quantity
Observed range
$2.39–$37.80
Coverage
20 awards
Oct 27, 2010 – Jun 23, 2026
Average: $12.95 · Weighted avg: $7.47 · Range: $2.39–$37.80 · Based on 20 awards, Oct 27, 2010–Jun 23, 2026.
Unit cost by award date · 20 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
20 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Jun 23, 2026 | 8R639CENTURY FASTENERS CORPTAMPA, FLSAM | 12 × $37.80 | $454 | SPE4A626V223D |
| Feb 19, 2026 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 26 × $10.15 | $264 | SPE4A526FAXQ5 |
| Dec 19, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 4 × $10.15 | $41 | SPE4A526FAD0L |
| Oct 19, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 10 × $20.76 | $208 | SPE4A526FA89H |
| Jul 17, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 15 × $20.76 | $311 | SPE4A525FB0R0 |
| Apr 20, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 20 × $17.31 | $346 | SPE4A525FAXW8 |
| Mar 23, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 65 × $17.31 | $1,125 | SPE4A525FAW7X |
| Sep 13, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 10 × $17.31 | $173 | SPE4A624FCCR0 |
| Aug 16, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 24 × $17.31 | $415 | SPE4A624FCE35 |
| May 17, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 10 × $15.29 | $153 | SPE4A624FBAYH |
| Mar 17, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 9 × $15.29 | $138 | SPE4A624FB2DJ |
| Oct 15, 2021 | 7M8V8ASTRAL AIR PARTS LLCELMWOOD PARK, NJSAM | 261 × $7.45 | $1,944 | SPE4A622V1351 |
| Oct 28, 2020 | 3LRU1SPEC TECH USA INCTULSA, OKSAM | 181 × $2.39 | $433 | SPE5EJ21V0728 |
| Feb 16, 2017 | 1JX19INDIAN AEROSPACE, INC.ARLINGTON, TXSAM | 172 × $7.65 | $1,316 | SPE5E317V0264 |
| Feb 3, 2017 | 57983GREER AERO LLCFORT WORTH, TXSAM | 477 × $4.80 | $2,290 | SPE5E717PQ030P00001 |
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 03A115-5
PN 84055-5
PN LB50-5C
PN 03A115-5
PN MS21244-5C
PN AS381-5
PN MS21244-5C
PN LB50-5C
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| BEARING SURFACE FINISH | MICROINCHES 125.0 |
| COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.385 AND INCHES MAXIMUM 0.395 |
| MATERIAL | WASHER STEEL COMP 302 OR STEEL COMP 321 |
| MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 |
| NOMINAL THREAD SIZE | INCHES 0.312 |
| NONDEFINITIVE SPEC/STD DATA | GRADE A |
| NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.203 AND INCHES MAXIMUM 0.223 |
| OVERALL HEIGHT | INCHES MINIMUM 0.436 AND INCHES MAXIMUM 0.456 |
| SURFACE TREATMENT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| TEMP RATING | FAHRENHEIT MAXIMUM 450.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER OUTSIDE DIAMETER | INCHES MINIMUM 0.610 AND INCHES MAXIMUM 0.640 |
| WIDTH ACROSS FLATS | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
Open buys
DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED