The Washer,recessed, cataloged under National Stock Number 5310-01-641-2162, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Click Bond Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Washer,recessed |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Click Bond Inc (CAGE 66530); Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372); R.g.h. Associates, Inc. Dba Richards Screw Machine (CAGE 2Y283) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-641-2162 |
| Primary Part Number | CB9541CR4D |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Click Bond Inc |
| 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 |
|---|---|
| CB9541CR4D PRIMARY | Click Bond Inc (USA) |
| JSFE08C4BW PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| JSFE08C4BW PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| Reference | Meaning |
|---|---|
| JSFE08C4BW | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5310-01-641-2162 is a Washer,recessed, manufactured by Click Bond Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-641-2162 has 3 manufacturer part numbers on file: CB9541CR4D (Click Bond Inc), JSFE08C4BW (Howmet Global Fastening Systems Inc. Div Tridair Products), JSFE08C4BW (R.g.h. Associates, Inc. Dba Richards Screw Machine).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-682-3154. 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.