The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-121-3474, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ideal Fasteners, Inc. Dba Ideal Fasteners Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-121-3474 |
| Primary Part Number | 10021193-101 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc |
| Status | ACTIVE |
| Spline Minor Diameter | 0.051 INCHES MAXIMUM IN |
| Head Height | 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Fastener Length | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Spline Width | 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN |
| Thread Length | 0.209 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Spline Major Diameter | 0.061 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.060 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SIX SPLINE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 80 |
| Material | STEEL COMP 410 OR STEEL COMP 416 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.104 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 |
|---|---|
| 10021193-101 | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 10021193-101 | 3/2 Design control — primary reference U.S. Government activity |
| 10021193-101 | 5/9 Secondary reference Fastco of California |
NSN 5305-00-121-3474 is a Screw,cap,socket Head, manufactured by Ideal Fasteners, Inc. Dba Ideal Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-121-3474 has 1 manufacturer part number on file: 10021193-101 (Ideal Fasteners, Inc. Dba Ideal Fasteners Inc).
Key specifications for 10021193-101: Spline Minor Diameter: 0.051 INCHES MAXIMUM IN; Head Height: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Fastener Length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Spline Width: 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN. 17 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.