The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-291-0155, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-291-0155 |
| Primary Part Number | 5338735-033 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 3.0 MICROMETERS BEARING SURFACE OF HEAD |
| Surface Finish | 6.0 MICROMETERS GRIP |
| Head Height | 4.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6H |
| Fastener Length | 34.5 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 16.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 7.9 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 5338735-033 | Bossard Intl Inc (USA) |
| 5338735-033 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5338735-033 | 5/9 Secondary reference Lindstrom, Llc |
| 5338735-033 | 5/9 Secondary reference North American Bolt and Screw Co Inc |
| 5338737-033 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5305PL0816981 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5338735-033 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5305-01-291-0155 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-291-0155 has 2 manufacturer part numbers on file: 5338735-033 (Bossard Intl Inc), 5338735-033 (Naval Sea Systems Command).
Key specifications for 5338735-033: Surface Finish: 3.0 MICROMETERS BEARING SURFACE OF HEAD; Surface Finish: 6.0 MICROMETERS GRIP; Head Height: 4.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6H. 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.