SCREW,MACHINE
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$1.29
Weighted average
$1.31
Weighted by quantity
Observed range
$1.00–$1.56
Coverage
8 awards
Oct 7, 2001 – Nov 10, 2020
Average: $1.29 · Weighted avg: $1.31 · Range: $1.00–$1.56 · Based on 8 awards, Oct 7, 2001–Nov 10, 2020.
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 |
|---|---|---|---|---|
| Nov 10, 2020 | 1DN91STANDARD AERO PARTS, INCMOORPARK, CASAM | 1,202 × $1.22 | $1,466 | SPE4A621V4072 |
| Apr 20, 2020 | 1V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM | 639 × $1.34 | $856 | SPE5E820V4966 |
| Dec 7, 2016 | 007R1TWIST TITE MFG, INCSANTA FE SPRINGS, CASAM | 369 × $1.00 | $369 | SPE5E217V2355 |
| Sep 2, 2016 | 1V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM | 207 × $1.29 | $267 | SPE5E216V9671 |
| May 2, 2014 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 307 × $1.32 | $405 | SPE5E214V7004 |
| Dec 11, 2013 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 200 × $1.47 | $294 | SPE5E214V2152 |
| Mar 1, 2013 | 2N935BOEING DISTRIBUTION SERVICES X, INC.HIALEAH, FLSAM | 995 × $1.15 | $1,144 | SPM5E213MQ486P00001 |
| Oct 7, 2001 | 1DN91STANDARD AERO PARTS, INCMOORPARK, CASAM | 1,310 × $1.56 | $2,044 | SP056002MQ027 |
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 NAS1220-4-7, NAS1221-4-7
PN NAS1221R4-7
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 0.849 AND INCHES MAXIMUM 0.879 |
| HARDNESS RATING | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0 |
| HEAD DIAMETER | INCHES MINIMUM 0.461 AND INCHES MAXIMUM 0.507 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 160000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SCREW MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 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 |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 |
| SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1221 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 0.401 AND INCHES MAXIMUM 0.451 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
Open buys
DIBBS · quotes by Sep 25, 2026 · UNRESTRICTED