The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-681-3530, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-681-3530 |
| Primary Part Number | S9515-A6-MMA-010 FIG 7-42-29 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 3.020 MILLIMETERS MINIMUM AND 3.071 MILLIMETERS MAXIMUM MM |
| Head Height | 3.88 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM |
| Fastener Length | 0.006 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 0.006 MILLIMETERS NOMINAL MM |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | MJ |
| Head Diameter | 6.80 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| S9515-A6-MMA-010 FIG 7-42-29 | Naval Sea Systems Command (USA) |
| S9515-A6-MMA-010 TBL 7-48-29 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| NA0069A040006 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-681-3530 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-681-3530 has 2 manufacturer part numbers on file: S9515-A6-MMA-010 FIG 7-42-29 (Naval Sea Systems Command), S9515-A6-MMA-010 TBL 7-48-29 (Naval Sea Systems Command).
Key specifications for S9515-A6-MMA-010 FIG 7-42-29: Width Across Flats: 3.020 MILLIMETERS MINIMUM AND 3.071 MILLIMETERS MAXIMUM MM; Head Height: 3.88 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM; Fastener Length: 0.006 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 15 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.