STUD,PLAIN
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$7.12
Weighted average
$5.69
Weighted by quantity
Observed range
$3.50–$12.55
Coverage
13 awards
Oct 20, 1998 – Apr 26, 2025
Average: $7.12 · Weighted avg: $5.69 · Range: $3.50–$12.55 · Based on 13 awards, Oct 20, 1998–Apr 26, 2025.
Unit cost by award date · 13 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
13 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Apr 26, 2025 | 5N116QUALITY SOCKET SCREW MANUFACTURINGENGLEWOOD, FLSAM | 167 × $11.05 | $1,845 | SPE4A625PQ246 |
| Jan 31, 2024 | 5N116QUALITY SOCKET SCREW MANUFACTURINGENGLEWOOD, FLSAM | 87 × $12.55 | $1,092 | SPE4A624PE198 |
| Jan 10, 2023 | TJ825BABA SAGLIK TEKNOLOJILERI SANAYIANKARASAM | 141 × $12.00 | $1,692 | SPE4A623P9394P00001 |
| Jul 28, 2022 | 1DN91STANDARD AERO PARTS, INCMOORPARK, CASAM | 61 × $10.86 | $662 | SPE4A622V525WP00001 |
| Apr 30, 2020 | 7QNH3AMS 21ST CENTURY LOGISTICS, LLCPARSIPPANY, NJSAM | 515 × $7.85 | $4,045 | SPE5E420V5582P00002 |
| Nov 4, 2019 | 55345ALAMO AIRCRAFT, LTD.SAN ANTONIO, TXSAM | 111 × $6.88 | $764 | SPE5E420V0934 |
| Jun 14, 2018 | 5D4G2TEC AEROSPACE LLCCLAYTON, NJSAM | 119 × $6.95 | $827 | SPE5E418V7894P00001 |
| May 4, 2010 | 55345ALAMO AIRCRAFT, LTD.SAN ANTONIO, TXSAM | 173 × $4.65 | $804 | SPM5AZ07D4824013401 |
| Aug 20, 2007 | 5N116QUALITY SOCKET SCREW MANUFACTURINGENGLEWOOD, FLSAM | 543 × $3.75 | $2,036 | SPM5A407MQQ77 |
| Aug 7, 2007 | 17283BEK, INC.HUNTINGTON, WVSAM | 600 × $4.95 | $2,970 | SPM5A407MQQ27 |
| Jul 19, 2006 | 17283BEK, INC.HUNTINGTON, WVSAM | 463 × $4.00 | $1,852 | SPM5A206V0911 |
| Apr 7, 2006 | 6U704SANDIK MANUFACTURING INCPASSAIC, NJSAM | 362 × $3.50 | $1,267 | SPM5A206M0936 |
| Oct 20, 1998 | 59563REID PRODUCTS INC.APPLE VALLEY, CASAM | 400 × $3.59 | $1,436 | SP054099MQ272 |
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 581B4
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | FIRST HOLE INCHES NOMINAL 0.094 |
| MATERIAL | STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758 |
| NOMINAL THREAD SIZE | NUT THREAD INCHES 0.250 |
| OVERALL LENGTH | INCHES NOMINAL 7.250 |
| PROPRIETARY CHARACTERISTICS | PACS |
| SURFACE TREATMENT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TYE 1 CLASS 2 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | STUD THREAD RIGHT-HAND |
| THREAD LENGTH | NUT THREAD INCHES NOMINAL 0.750 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | NUT THREAD UNF |
Open buys
DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED
