NUT,SELF-LOCKING,EXTENDED WASHER
DIBBS awards by month · trailing 12 mo
2 total
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$4.55
Weighted average
$2.07
Weighted by quantity
Observed range
$0.97–$7.57
Coverage
20 awards
Jul 3, 2006 – Feb 19, 2026
Average: $4.55 · Weighted avg: $2.07 · Range: $0.97–$7.57 · Based on 20 awards, Jul 3, 2006–Feb 19, 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 |
|---|---|---|---|---|
| Feb 19, 2026 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2,483 × $3.66 | $9,088 | SPE4A526FAYQ1 |
| Oct 19, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 1,375 × $7.57 | $10,409 | SPE4A526FA93U |
| Sep 11, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2,871 × $7.57 | $21,733 | SPE4A525FBM5V |
| Jul 17, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 1,825 × $7.57 | $13,815 | SPE4A525FB99Z |
| May 16, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 850 × $6.31 | $5,364 | SPE4A525FAKHS |
| Mar 23, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 97 × $6.31 | $612 | SPE4A525FAU5R |
| Jan 16, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 225 × $6.31 | $1,420 | SPE4A525FA6K3 |
| Nov 14, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 350 × $6.31 | $2,209 | SPE4A625FAT94 |
| Sep 13, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 3,295 × $6.31 | $20,791 | SPE4A624FCCS8P00001 |
| Jul 18, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 1,050 × $6.31 | $6,626 | SPE4A624FC89U |
| Mar 17, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 575 × $5.57 | $3,203 | SPE4A624FB2GE |
| Dec 17, 2023 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2,674 × $5.57 | $14,894 | SPE4A624FAUK4P00002 |
| Oct 13, 2023 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 2,345 × $5.57 | $13,062 | SPE4A624FA2NR |
| Apr 21, 2023 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 8,061 × $1.50 | $12,092 | SPE4A623V167P |
| Mar 27, 2023 | 1V0G6ADEPT FASTENERS INCVALENCIA, CASAM | 8,061 × $1.50 | $12,092 | SPE4A623F021X |
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 R399P2
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN VN450B048
PN R399P2, R399P2A, R399P2C, R399P2H +3 more
PN H19517-4, R399P2
PN BH00191-4, R399P2
PN SA4993C-428, SL4905-428
PN 119FW428
PN R399P2
PN Z1855-048, Z4063-048
PN R399P2M
PN R399P2, VN450B048
PN VN450B048
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| NOMINAL THREAD SIZE | INCHES 0.250 |
| OVERALL HEIGHT | INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.411 |
| PRECIOUS MATERIAL | SILVER |
| SURFACE TREATMENT | OVERALL SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 |
| TEMP RATING | FAHRENHEIT NOMINAL 1200.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER OUTSIDE DIAMETER | INCHES MAXIMUM 0.443 |
| WASHER THICKNESS | INCHES MINIMUM 0.060 AND INCHES MAXIMUM 0.080 |
| WIDTH ACROSS FLATS | INCHES MINIMUM 0.369 AND INCHES MAXIMUM 0.376 |
Open buys
DIBBS · quotes by Sep 28, 2026 · TOTAL SMALL BUSINESS