The Washer,recessed, cataloged under National Stock Number 5310-01-308-7856, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Indal Technologies Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-308-7856 |
| Primary Part Number | 6532B367-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Indal Technologies Inc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-B-5687C,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Recess Depth | 0.050 INCHES NOMINAL IN |
| Recess Diameter | 1.420 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 1.150 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 |
| Part Number | Manufacturer |
|---|---|
| 6532B367-1 | Indal Technologies Inc (CAN) |
| Reference | Meaning |
|---|---|
| 6532B367-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 6532B367 | 3/2 Design control — primary reference U.S. Government activity |
| REI-01-12162 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-308-7856 is a Washer,recessed, manufactured by Indal Technologies Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-308-7856 has 1 manufacturer part number on file: 6532B367-1 (Indal Technologies Inc).
Key specifications for 6532B367-1: Overall Height: 0.075 INCHES NOMINAL IN; Style Designator: RECESSED; Material Document and Classification: MIL-B-5687C,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.750 INCHES NOMINAL IN. 7 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.