The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-720-8787, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-720-8787 |
| Primary Part Number | 9144181 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Fastener Length | 1.312 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES MINIMUM IN |
| Material Document and Classification | QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 19TH MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.750 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1008 OR STEEL OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1045 OR STEEL COMP 1046 OR STEEL COMP 1548 OR STEEL COMP 1049 OR STEEL COMP 1050 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9144181 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5305-00-720-8787 is a Screw,externally Relieved Body, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-720-8787 has 1 manufacturer part number on file: 9144181 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-195-9747. Verify interchangeability with system specifications before substitution.
Key specifications for 9144181: Head Height: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Fastener Length: 1.312 INCHES NOMINAL IN; Thread Length: 0.562 INCHES MINIMUM IN; Material Document and Classification: QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 19TH MATERIAL RESPONSE OVERALL. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.