The Screw,shoulder, cataloged under National Stock Number 5305-01-266-7360, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-266-7360 |
| Primary Part Number | 5770272-0009 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Head Height | 0.200 INCHES NOMINAL IN |
| Fastener Length | 1.760 INCHES NOMINAL IN |
| Shoulder Length | 1.320 INCHES NOMINAL ALL SHOULDERS IN |
| Shoulder Diameter | 0.300 INCHES NOMINAL ALL SHOULDERS IN |
| Thread Length | 0.365 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hardness Rating | 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.440 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 |
|---|---|
| 5770272-0009 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 87719-1004A PC 9 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 203-5770272 ITEM 9 | 3/2 Design control — primary reference U.S. Government activity |
| 5770272-0009 | 5/2 Secondary reference U.S. Government activity |
| 87719-1004A PC 9 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-266-7360 is a Screw,shoulder, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-266-7360 has 2 manufacturer part numbers on file: 5770272-0009 (Eaton Corporation Dba Eaton Inoac Div Eaton), 87719-1004A PC 9 (Eaton Corporation Dba Eaton Inoac Div Eaton).
Key specifications for 5770272-0009: Head Height: 0.200 INCHES NOMINAL IN; Fastener Length: 1.760 INCHES NOMINAL IN; Shoulder Length: 1.320 INCHES NOMINAL ALL SHOULDERS IN; Shoulder Diameter: 0.300 INCHES NOMINAL ALL SHOULDERS IN. 18 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.