The Screw,machine, cataloged under National Stock Number 5305-01-467-6899, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-467-6899 |
| Primary Part Number | 91771A830 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Screw Material Document and Classification | MS24693 MIL SPEC 1ST MATERIAL RESPONSE OR FF-S-92 FED SPEC 2ND MATERIAL RESPONSE |
| Thread Length | 0.509 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.362 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC 2ND 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 |
|---|---|
| 91771A830 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-467-6899 is a Screw,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-467-6899 has 1 manufacturer part number on file: 91771A830 (Mcmaster-Carr Supply Co).
Key specifications for 91771A830: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.625 INCHES NOMINAL IN; Screw Material Document and Classification: MS24693 MIL SPEC 1ST MATERIAL RESPONSE OR FF-S-92 FED SPEC 2ND MATERIAL RESPONSE; Thread Length: 0.509 INCHES NOMINAL IN. 14 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.