The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-528-4249, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-528-4249 |
| Primary Part Number | AES14F250A00BB3A97 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| 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 |
|---|---|
| AES14F250A00BB3A97 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| S300NA42FAD17574NNCH2 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| ASME B18.24-2004 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-528-4249 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-528-4249 has 1 manufacturer part number on file: AES14F250A00BB3A97 (The American Society of Mechanical Engineers).
Key specifications for AES14F250A00BB3A97: Thread Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Special Features: UNF-2A DIAMETER .250 SIZE/LENGTH 1.00 ASTM A 574 ALLOY STEEL ASTM B 633,TYPE II SC 4 (COLOR BLACK) PLAIN END = DRILLED HEAD A; End Item Identification: HOWITZER, 155MM, M777E1 MM. 4 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.