The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-551-6596, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-551-6596 |
| Primary Part Number | AES14R164A00SE4LP1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AES14R164A00SE4LP1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| S300NA42RA817421CNQB1 | 5/9 Secondary reference Sps Technologies Inc Unbrako Div |
NSN 5305-01-551-6596 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-551-6596 has 1 manufacturer part number on file: AES14R164A00SE4LP1 (The American Society of Mechanical Engineers).
Key specifications for AES14R164A00SE4LP1: Fastener Length: 1.000 INCHES NOMINAL IN; Special Features: THREAD SERIES (UNRC). NOMINAL DIAMETER (0.164). NOMINAL LENGTH (1.000). COLD WORKED-AUSTENITIC STAINLESS STEEL) SA 316 (UNS S31600). PASSIVATION TREATMENTS FOR COORROSION-RESISTANT STEEL, TYPE VI).; Surface Treatment: PASSIVATE OVERALL; Part Name Assigned by Controlling Agency: SCREW, HEX. SKT CAP. 3 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.