The Screw,machine, cataloged under National Stock Number 5305-01-359-8986, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-359-8986 |
| Primary Part Number | P37ML440-11P |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Head Height | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Fastener Length | 0.628 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH |
| Screw Material | NICKEL ALLOY K-500 OR NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OR NICKEL ALLOY 502 |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNF |
| Head Diameter | 0.070 INCHES MINIMUM AND 0.080 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 |
|---|---|
| P37ML440-11P PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 0441B0133-43 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 0441B0133-43 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| P37ML440-11P | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-359-8986 is a Screw,machine, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-359-8986 has 1 manufacturer part number on file: P37ML440-11P (Nylok Llc).
Key specifications for P37ML440-11P: Head Height: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Fastener Length: 0.628 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Locking Feature Material: PLASTIC POLYAMIDE NYLON; Nominal Thread Diameter: 0.112 INCHES IN. 13 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.