The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-416-0728, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-416-0728 |
| Primary Part Number | P60ML616-23P |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Head Height | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Fastener Length | 1.440 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | NICKEL ALLOY K-500 OR NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OR NICKEL ALLOY 502 FASTENER |
| Thread Series Designator | UNF |
| Head Diameter | 0.550 INCHES MINIMUM AND 0.562 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 |
|---|---|
| P60ML616-23P PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 0441B0133-85 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 0441B0133-85 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5305-01-416-0728 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-416-0728 has 1 manufacturer part number on file: P60ML616-23P (Nylok Llc).
Key specifications for P60ML616-23P: Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Fastener Length: 1.440 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 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.