The Screw,machine, cataloged under National Stock Number 5305-00-527-5477, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Unison Industries Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-527-5477 |
| Primary Part Number | 10-81714 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Fastener Length | 3.157 INCHES NOMINAL IN |
| Screw Material Document and Classification | 9-694,FSCM 77820 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 0.80 |
| Thread Length | 0.812 INCHES MINIMUM IN |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Series Designator | LOWENHERZ |
| Head Diameter | 0.350 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-00-527-5477 is a Screw,machine, manufactured by Unison Industries Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-527-5477 has 2 manufacturer part numbers on file: 10-81714 (Unison Industries Llc), 00866 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-524-4751, 5340-01-680-4275. Verify interchangeability with system specifications before substitution.
Key specifications for 10-81714: Fastener Length: 3.157 INCHES NOMINAL IN; Screw Material Document and Classification: 9-694,FSCM 77820 MFR REF SINGLE MATERIAL RESPONSE; Thread Pitch in Millimeters: 0.80; Thread Length: 0.812 INCHES MINIMUM IN. 13 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.