The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-010-3324, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 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 | 5305-01-010-3324 |
| Primary Part Number | GS550E08S12 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Head Height | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Fastener Length | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| Extended Washer Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.359 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET THREADS |
| Surface Treatment | CADMIUM AND ZINC FASTENER |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC LOCKING FEATURE |
| Material | STEEL COMP 4037 OR STEEL COMP 8630 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| GS550E08S12 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5305-01-010-3324 is a Screw,cap,socket Head, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-010-3324 has 1 manufacturer part number on file: GS550E08S12 (Northrop Grumman Systems Corporation).
Key specifications for GS550E08S12: Extended Washer Thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Head Height: 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; Fastener Length: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER. 19 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.