The Screw,machine, cataloged under National Stock Number 5305-01-072-9131, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-072-9131 |
| Primary Part Number | NAS1101E4-27 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.626 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.555 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1101 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL COMP 8617 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE SET |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| NAS1101E4-27 | Hi-Shear Corporation (USA) |
| NAS1101E4-27 | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1101E4-27 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1101E4-27 | Qualified Air Components Inc. (USA) |
| NAS1101E4-27 | Nor-Cal Supply Co (USA) |
| NAS1101E4-27 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS1101E4-27 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1101E4-27 | Huck International, Inc (USA) |
| NAS1101E4-27 | Plastic and Metal Products Corporation (USA) |
| NAS1101E4-27 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| NAS1101E4-27 | 5/9 Secondary reference Wallace R G Co Div of Ducommun Inc |
| NAS1101E4-27 | 5/2 Secondary reference U.S. Government activity |
| NAS1101E4-27 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1101E4-27 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1101E4-27 | 5/9 Secondary reference U.S. Government activity |
| NAS1101E4-27 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-072-9131 is a Screw,machine, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-072-9131 has 10 manufacturer part numbers on file: NAS1101E4-27 (Hi-Shear Corporation), NAS1101E4-27 (Eriks Southwest Inc Dba Montclair Enterprises), NAS1101E4-27 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1101E4-27 (Qualified Air Components Inc.), NAS1101E4-27 (Nor-Cal Supply Co) and 5 more.
Key specifications for NAS1101E4-27: Head Height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.626 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE. 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.