The Screw,assembled Washer, cataloged under National Stock Number 5305-01-197-6550, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Thomas and Betts Corp Electronics Group. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-197-6550 |
| Primary Part Number | 609-008-50 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Thomas and Betts Corp Electronics Group |
| Status | ACTIVE |
| Fastener Length | 0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | A151 12L-14 FSCM 55974 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | DOUBLE CHAMFER |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 3 |
| 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 |
|---|---|
| 609-008-50 PRIMARY | Thomas and Betts Corp Electronics Group (USA) |
| Reference | Meaning |
|---|---|
| 609-008-50 | 5/9 Secondary reference Abb Installation Products Inc |
| 3596542-1 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
NSN 5305-01-197-6550 is a Screw,assembled Washer, manufactured by Thomas and Betts Corp Electronics Group, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-197-6550 has 1 manufacturer part number on file: 609-008-50 (Thomas and Betts Corp Electronics Group).
Key specifications for 609-008-50: Fastener Length: 0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: A151 12L-14 FSCM 55974 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.112 INCHES IN. 14 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.