The Screw,close Tolerance, cataloged under National Stock Number 5305-01-650-7331, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Fastener Technology Corp (CAGE 58794) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-650-7331 |
| Primary Part Number | JSFB08E4-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFB08E4-10 PRIMARY | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| JSFB08 | D/9 Drawing number reference only U.S. Government activity |
| JSFB08E4-10 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5305-01-650-7331 is a Screw,close Tolerance, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-650-7331 has 1 manufacturer part number on file: JSFB08E4-10 (Fastener Technology Corp).
8 possible matches (shared part number, not a government interchangeability claim): 5305-01-650-7332, 5305-01-650-7333, 5305-01-650-7334. Verify interchangeability with system specifications before substitution.
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.