The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-237-2683, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-237-2683 |
| Primary Part Number | 885C615P3 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc |
| Status | ACTIVE |
| Width Across Flats | 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN |
| Head Height | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.200 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.201 INCHES MINIMUM AND 0.213 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 |
|---|---|
| 885C615P3 PRIMARY | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 885C615P3 | 3/9 Design control — primary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| 885C615P3 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-237-2683 is a Screw,cap,socket Head, manufactured by Ideal Fasteners, Inc. Dba Ideal Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-237-2683 has 1 manufacturer part number on file: 885C615P3 (Ideal Fasteners, Inc. Dba Ideal Fasteners Inc).
Key specifications for 885C615P3: Width Across Flats: 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN; Head Height: 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 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.