The Screw,close Tolerance, cataloged under National Stock Number 5305-01-707-2907, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-707-2907 |
| Primary Part Number | ST3M430V5-8ASM |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.031 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES NOMINAL IN |
| Material Document and Classification | NAS621, 6AL-4V NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Features Provided | O RING AND CETYL ALCOHOL LUBRICANT AND DRY FILM LUBRICANT |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-ST3-430 MANUFACTURERS STANDARD |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.6287 INCHES MINIMUM AND 0.6335 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 |
|---|---|
| ST3M430V5-8ASM PRIMARY | The Boeing Company Div Defense (USA) |
| BM33024V5-8UM | Huck International, Inc (USA) |
| ST3M430V5-8ASM | Houston Precision Fasteners I Lp (USA) |
| HT8137-5-8ASM | Howmet Global Fastening Systems Inc (USA) |
NSN 5305-01-707-2907 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-707-2907 has 4 manufacturer part numbers on file: ST3M430V5-8ASM (The Boeing Company Div Defense), BM33024V5-8UM (Huck International, Inc), ST3M430V5-8ASM (Houston Precision Fasteners I Lp), HT8137-5-8ASM (Howmet Global Fastening Systems Inc).
Key specifications for ST3M430V5-8ASM: Fastener Length: 1.031 INCHES NOMINAL IN; Thread Length: 0.531 INCHES NOMINAL IN; Material Document and Classification: NAS621, 6AL-4V NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL V; Nominal Thread Diameter: 0.3125 INCHES IN. 17 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.