The Washer,recessed, cataloged under National Stock Number 5310-01-316-7652, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 6 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 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 | 5310-01-316-7652 |
| Primary Part Number | 206143 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Recess Depth | 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Material Thickness | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 932 OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 206143 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5310-01-316-7652 is a Washer,recessed, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-316-7652 has 1 manufacturer part number on file: 206143 (Honeywell International Inc. Div Aerospace - Torrance).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-367-6624, 5975-01-368-3053. Verify interchangeability with system specifications before substitution.
Key specifications for 206143: Overall Height: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Style Designator: RECESSED; Outside Diameter: 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN; Recess Depth: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN. 6 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.