The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-506-3683, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grainger Br 507. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-506-3683 |
| Primary Part Number | 1755-001-00 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grainger Br 507 |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 1732320 | Connectronics Corp (USA) |
| 1755-001-00 PRIMARY | Grainger Br 507 (USA) |
| Reference | Meaning |
|---|---|
| 03-0239 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-506-3683 is a Screw,cap,hexagon Head, manufactured by Grainger Br 507, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-506-3683 has 2 manufacturer part numbers on file: 1732320 (Connectronics Corp), 1755-001-00 (Grainger Br 507).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-721-4253. Verify interchangeability with system specifications before substitution.
Key specifications for 1755-001-00: Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Direction: RIGHT-HAND; Special Features: STAINLESS STEEL; 3/8-16; HEX HEAD; REPAIR PART FOR CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047. 4 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.