BOLT,CLOSE TOLERANCE
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
$472.87
Weighted average
$254.25
Weighted by quantity
Observed range
$50.00–$792
Coverage
3 awards
Jan 13, 2000 – May 5, 2026
Average: $472.87 · Weighted avg: $254.25 · Range: $50.00–$792.00 · Based on 3 awards, Jan 13, 2000–May 5, 2026.
Trend chart needs at least 4 priced awards in this window (3 available).
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
3 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 B6812
PN AN174-55A
PN AN174H55A
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| FASTENER LENGTH | INCHES NOMINAL 5.656 |
| GRIP DIAMETER | INCHES MINIMUM 0.2487 AND INCHES MAXIMUM 0.2492 |
| GRIP LENGTH | INCHES NOMINAL 5.188 |
| HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 37.0 |
| HEAD HEIGHT | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.172 |
| HOLE DIAMETER | INCHES NOMINAL 0.046 |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6050 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6098 OR MIL SPEC 5TH MATERIAL RESPONSE -IL-S-6758 OR ASSN STD 6TH MATERIAL RESPONSE A-S 6300 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 125000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SURFACE FINISH | GRIP MICROINCHES 63.0 |
| SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416,TY 2,CL 3 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 0.468 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.440 |
Open buys
DIBBS · quotes by Sep 24, 2026 · UNRESTRICTED