BOLT,INTERNALLY RELIEVED BODY
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$127.62
Weighted average
$89.98
Weighted by quantity
Observed range
$60.00–$375
Coverage
8 awards
Jan 19, 1999 – Mar 10, 2026
Average: $127.62 · Weighted avg: $89.98 · Range: $60.00–$374.75 · Based on 8 awards, Jan 19, 1999–Mar 10, 2026.
Unit cost by award date · 8 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
8 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Mar 10, 2026 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 26 × $205.94 | $5,354 | SPE4A526FAGCZ |
| Feb 22, 2022 | 01UA8ARIZONA AERO FASTENERS, INCMOORPARK, CASAM | 42 × $67.85 | $2,850 | SPE4A622V059U |
| Sep 12, 2019 | 01UA8ARIZONA AERO FASTENERS, INCMOORPARK, CASAM | 34 × $76.48 | $2,600 | SPE5E419V9551 |
| Jun 23, 2016 | 01UA8ARIZONA AERO FASTENERS, INCMOORPARK, CASAM | 48 × $79.98 | $3,839 | SPE5E416MQD64 |
| Aug 18, 2015 | 1V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM | 25 × $88.10 | $2,203 | SPE5E415M2568 |
| Sep 10, 2009 | 48BC4DOLPHIN AEROSPACE LLCMIAMI, FLSAM | 40 × $60.00 | $2,400 | SPM5A409MQB33 |
| Aug 23, 2007 | 48BC4DOLPHIN AEROSPACE LLCMIAMI, FLSAM | 47 × $67.85 | $3,189 | SPM5AB07MQ304 |
| Jan 19, 1999 | 0HL40MECAIR AEROSPACEPOINTE CLAIRE, QCSAM | 4 × $374.75 | $1,499 | SP054099MQF14 |
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 MS21250-14044
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| CONCENTRIC HOLE DEPTH | INCHES MAXIMUM 0.260 |
| CONCENTRIC HOLE DIAMETER | INCHES MAXIMUM 0.187 |
| EXTENDED WASHER DIAMETER | INCHES MINIMUM 1.428 AND INCHES MAXIMUM 1.438 |
| EXTENDED WASHER THICKNESS | INCHES NOMINAL 0.198 |
| FASTENER LENGTH | INCHES NOMINAL 4.014 |
| FEATURES PROVIDED | CASE-HARDENED |
| HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| HEAD HEIGHT | INCHES NOMINAL 0.808 |
| MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-8503 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 180000 |
| NOMINAL THREAD DIAMETER | INCHES 0.875 |
| SPECIAL FEATURES | SURFACE FINISH ON SHANK AND BEARING SURFACE OF HEAD 32.0 MICROINCHES |
| SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY 2 CL 3 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 1.254 AND INCHES MAXIMUM 1.274 |
| THREAD QUANTITY PER INCH | 14 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | INCHES NOMINAL 0.9375 |
Open buys
DIBBS · quotes by Oct 1, 2026 · UNRESTRICTED