SCREW,CLOSE TOLERANCE
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$0.57
Weighted average
$0.50
Weighted by quantity
Observed range
$0.30–$0.81
Coverage
15 awards
Jun 19, 1999 – Apr 8, 2025
Average: $0.57 · Weighted avg: $0.50 · Range: $0.30–$0.81 · Based on 15 awards, Jun 19, 1999–Apr 8, 2025.
Unit cost by award date · 15 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
15 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Apr 8, 2025 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 7,271 × $0.70 | $5,090 | SPE4A525FAML1 |
| Mar 5, 2024 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 11,659 × $0.62 | $7,229 | SPE4A624FB96FP00001 |
| Dec 19, 2023 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 8,121 × $0.62 | $5,035 | SPE4A624FAXD1 |
| Sep 7, 2023 | 1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM | 3,781 × $0.62 | $2,344 | SPE4A623FBQRC |
| May 27, 2021 | 7M8V8ASTRAL AIR PARTS LLCELMWOOD PARK, NJSAM | 14,674 × $0.63 | $9,245 | SPE4A621V384UP00004 |
| Sep 8, 2020 | 8R639CENTURY FASTENERS CORPTAMPA, FLSAM | 14,140 × $0.68 | $9,615 | SPE5E220V6356P00001 |
| Jul 29, 2016 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 20,328 × $0.32 | $6,464 | SPM5EY12D00020475 |
| Jul 22, 2009 | 3M2H6AKKO FASTENER, INC.CINCINNATI, OHSAM | 46,315 × $0.43 | $20,054 | SPM5A609MQ899 |
| Jun 13, 2009 | 0NFB8DIALOGIC CORPBENSALEM, PASAM | 7,672 × $0.48 | $3,683 | SPM5A209MQ555P00002 |
| Mar 14, 2009 | 59053BUTLER, INCANAHEIM, CASAM | 5,169 × $0.68 | $3,515 | SPM5A109V2011 |
| Feb 27, 2008 | 59053BUTLER, INCANAHEIM, CASAM | 26,000 × $0.39 | $10,140 | SPM5A008MQ626 |
| Feb 27, 2008 | 0B9F4RKR TECHNOLOGIES, LTD.ARLINGTON, TXSAM | 7,000 × $0.75 | $5,250 | SPM5A408MQ580 |
| Nov 29, 2007 | 5R386T.P.S. AVIATION INCHAYWARD, CASAM | 5,725 × $0.81 | $4,637 | SPM5A408MQ179 |
| Aug 14, 2006 | 3G1W3BOEING DISTRIBUTION SERVICES DEFENSEO FALLON, MOSAM | 6,631 × $0.50 | $3,316 | SPM5A106V4857 |
| Jun 19, 1999 | 8Z507CALIFORNIA SCREW PRODUCTS CORPPARAMOUNT, CASAM | 14,200 × $0.30 | $4,260 | SP054099MQT27 |
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 NAS1581C4T4
PN 5305PL0884110
PN 10482853
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| COUNTERSINK ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| FASTENER LENGTH | INCHES MINIMUM 0.638 AND INCHES MAXIMUM 0.668 |
| GRIP DIAMETER | INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495 |
| GRIP LENGTH | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.260 |
| HEAD DIAMETER | INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.399 |
| MATERIAL | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 160000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1581 |
| SURFACE FINISH | THREADS MICROINCHES 32.0 |
| SURFACE TREATMENT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 0.378 AND INCHES MAXIMUM 0.428 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
Open buys
DIBBS · quotes by Sep 25, 2026 · UNRESTRICTED
