NUT,SELF-LOCKING,KNURLED
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$1,362.50
Weighted average
$1,278.57
Weighted by quantity
Observed range
$800–$2,950
Coverage
4 awards
May 13, 2020 – May 13, 2026
Average: $1,362.50 · Weighted avg: $1,278.57 · Range: $800.00–$2,950.00 · Based on 4 awards, May 13, 2020–May 13, 2026.
Unit cost by award date · 4 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
4 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| May 13, 2026 | 2V484BOEING DISTRIBUTION SERVICES, INC.O FALLON, MOSAM | 3 × $850.00 | $2,550 | SPE4A126V0337 |
| Oct 2, 2023 | 745V4DON INDUSTRIAL GROUP LLCHOUSTON, TXSAM | 3 × $2,950.00 | $8,850 | SPE4A624P0498 |
| Oct 15, 2021 | 2V484BOEING DISTRIBUTION SERVICES, INC.O FALLON, MOSAM | 2 × $850.00 | $1,700 | SPE4A122V0050 |
| May 13, 2020 | 2V484BOEING DISTRIBUTION SERVICES, INC.O FALLON, MOSAM | 6 × $800.00 | $4,800 | SPE5E920P1531 |
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 4M373-4A
PN 4M373-4A, SL7534-2
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| END ITEM IDENTIFICATION | F/A-18 E/F |
| LOCKING FEATURE | PREVAILING TORQUE WITH METALLIC INSERT |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | OVERALL STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| NOMINAL THREAD SIZE | INCHES 2.875 |
| NUT DIAMETER | INCHES MINIMUM 4.290 AND INCHES MAXIMUM 4.310 |
| NUT THICKNESS | INCHES MINIMUM 0.555 AND INCHES MAXIMUM 0.575 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKNUT AND RETAINER ASSEMBLY |
| SPECIAL FEATURES | ASSEBLY INCLUDES LOCKNUT AND RETAINER |
| SURFACE TREATMENT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2700 OR ASSN STD SINGLE TREATMENT RESPONSE A-S-QQ--35 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJS |
| WIDTH ACROSS FLATS | INCHES MINIMUM 4.120 AND INCHES MAXIMUM 4.140 |
Open buys
DIBBS · quotes by Sep 24, 2026 · TOTAL SMALL BUSINESS