The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-593-5553, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-593-5553 |
| Primary Part Number | J2295A574F2S28LN136 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Head Height | 1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Fastener Length | 8.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.597 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| J2295A574F2S28LN136 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J2295A574F2S28LN136 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-593-5553 is a Screw,cap,socket Head, manufactured by Sae International Dba Sae International, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-5553 has 1 manufacturer part number on file: J2295A574F2S28LN136 (Sae International Dba Sae International).
Key specifications for J2295A574F2S28LN136: Width Across Flats: 1.250 INCHES NOMINAL IN; Head Height: 1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Fastener Length: 8.500 INCHES NOMINAL IN; Nominal Thread Diameter: 1.750 INCHES IN. 12 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.