The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-600-3733, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-600-3733 |
| Primary Part Number | 3M1277E6D8A |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.14 INCHES MAXIMUM IN |
| Thread Length | 0.578 INCHES MINIMUM IN |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.19 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | TORX |
| Thread Class | 3A A |
| Thread Quantity Per Inch | I24 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| 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 |
|---|---|
| 3M1277E6D8A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1277E6D8A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1277E6D8A | Huck International, Inc (USA) |
| 3M1277E6D8A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1277E6D8A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1277E6D8A | Saturn Fasteners Inc (USA) |
| 3M1277E6D8A | Camcar Llc Div Camcar Llc (USA) |
| 3M1277E6D8A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1277E6D8A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1277E6D8A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M127736D8A | Houston Precision Fasteners I Lp (USA) |
| 3M1277E6D8A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M1277E6D8A | Howmet Global Fastening Systems Inc (USA) |
| 3M1277E6D8A | Hi-Shear Corporation (USA) |
| 3M1277E6D8A | Linread Ltd (GBR) |
| 3M1277E6D8A | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3M1277E6D8A | 5/2 Secondary reference U.S. Government activity |
| 3M1277E6D8A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-600-3733 is a Screw,cap,socket Head, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-600-3733 has 16 manufacturer part numbers on file: 3M1277E6D8A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1277E6D8A (Reid Products Inc. Dba Reid Products Inc), 3M1277E6D8A (Huck International, Inc), 3M1277E6D8A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M1277E6D8A (The Boeing Company Div Defense) and 11 more.
Key specifications for 3M1277E6D8A: Fastener Length: 1.14 INCHES MAXIMUM IN; Thread Length: 0.578 INCHES MINIMUM IN; Single Shear Strength: ERR-060; Nominal Thread Diameter: 0.19 INCHES IN. 11 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.