The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-654-8043, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-654-8043 |
| Primary Part Number | M60CR172-4E |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Head Height | 0.0702 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.1142 INCHES MINIMUM AND 0.1180 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 |
|---|---|
| M60CR172-4E PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 112-0099-034 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-654-8043 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-654-8043 has 1 manufacturer part number on file: M60CR172-4E (Nylok Llc).
Key specifications for M60CR172-4E: Head Height: 0.0702 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MINIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.