SCREW,SHOULDER
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$43.50
Weighted average
$37.74
Weighted by quantity
Observed range
$22.50–$64.50
Coverage
2 awards
Dec 21, 2002 – Aug 22, 2022
Average: $43.50 · Weighted avg: $37.74 · Range: $22.50–$64.50 · Based on 2 awards, Dec 21, 2002–Aug 22, 2022.
Trend chart needs at least 4 priced awards in this window (2 available).
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
2 distinct award lines
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 5184129 PIECE 27
PN 5305PL1283685
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| FASTENER LENGTH | INCHES NOMINAL 0.500 |
| HEAD DIAMETER | INCHES MINIMUM 0.357 AND INCHES MAXIMUM 0.375 |
| HEAD HEIGHT | INCHES MINIMUM 0.177 AND INCHES MAXIMUM 0.188 |
| MATERIAL | OVERALL COPPER ALLOY |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SHOULDER DIAMETER | ALL SHOULDERS INCHES MINIMUM 0.273 AND INCHES MAXIMUM 0.275 |
| SHOULDER SHAPE | ALL SHOULDERS ROUND |
| SURFACE TREATMENT | OVERALL ZINC |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES NOMINAL 0.375 |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | INCHES NOMINAL 0.125 |
Open buys
DIBBS · quotes by Sep 25, 2026 · UNRESTRICTED