SCREW,CAP,SOCKET HEAD
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$77.80
Weighted average
$77.80
Weighted by quantity
Observed range
$77.80–$77.80
Coverage
1 award
Jun 4, 1998 – Jun 4, 1998
Average: $77.80 · Weighted avg: $77.80 · Range: $77.80–$77.80 · Based on 1 award, Jun 4, 1998–Jun 4, 1998.
Trend chart needs at least 4 priced awards in this window (1 available).
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
1 distinct award line
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 ANSI B18.3.1M B1831CH050016N, B1831CH050016N
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| FASTENER LENGTH | MILLIMETERS MINIMUM 15.60 AND MILLIMETERS MAXIMUM 16.40 |
| HEAD DIAMETER | MILLIMETERS MINIMUM 8.27 AND MILLIMETERS MAXIMUM 8.50 |
| HEAD HEIGHT | MILLIMETERS MINIMUM 4.86 AND MILLIMETERS MAXIMUM 5.00 |
| MATERIAL | OVERALL STEEL |
| NOMINAL THREAD DIAMETER | MILLIMETERS 5.0 |
| SPECIAL FEATURES | FINISH COLOR BLACK |
| SURFACE TREATMENT | OVERALL OXIDE |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | MILLIMETERS MINIMUM 14.00 AND MILLIMETERS MAXIMUM 16.40 |
| THREAD PITCH IN MILLIMETERS | 0.80 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH ACROSS FLATS | MILLIMETERS NOMINAL 4.0 |
Open buys
DIBBS · quotes by Sep 16, 2026 · UNRESTRICTED