The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-063-2353, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-063-2353 |
| Primary Part Number | 1856727 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Thread Length | 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | AS MODIFIED BY SURFACE FINISH |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | OVERALL SILVER |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1856727 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| MS35309-364 | 4/1 Identification reference U.S. Government activity |
| FF-S-85 | 4/1 Identification reference U.S. Government activity |
| 1000601-II-20-27 | C/1 Advisory reference — outside the item-of-supply concept Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
NSN 5305-01-063-2353 is a Screw,cap,hexagon Head, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-063-2353 has 1 manufacturer part number on file: 1856727 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-665-4638. Verify interchangeability with system specifications before substitution.
Key specifications for 1856727: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Thread Length: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 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.