The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-070-2088, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ampex Data Systems Corporation Dba Ampex Intelligent Systems. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-070-2088 |
| Primary Part Number | 470-011 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Head Height | 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | EC2-1 CL3 TY2 FSC-92739 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.372 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM 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 |
|---|---|
| 470-011 PRIMARY | Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA) |
| Reference | Meaning |
|---|---|
| 470-011 | C/1 Advisory reference — outside the item-of-supply concept Ampex Data Systems Corp Computer Products Div |
| 470-011 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-070-2088 is a Screw,cap,socket Head, manufactured by Ampex Data Systems Corporation Dba Ampex Intelligent Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-070-2088 has 1 manufacturer part number on file: 470-011 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-438-3226. Verify interchangeability with system specifications before substitution.
Key specifications for 470-011: Width Across Flats: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN; Surface Treatment Document and Classification: EC2-1 CL3 TY2 FSC-92739 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 16 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.