The Washer,flat, cataloged under National Stock Number 5310-01-554-8829, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-554-8829 |
| Primary Part Number | 077-20681-001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Material Document and Classification | ASTM A-322 GR 4340 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A-322 GR 4150 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 077-20681-001 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 477-15979-000 ITEM 120 | 5/1 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 5310-01-554-8829 is a Washer,flat, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-554-8829 has 1 manufacturer part number on file: 077-20681-001 (Johnson Controls Navy Systems, Llc).
Key specifications for 077-20681-001: Material Document and Classification: ASTM A-322 GR 4340 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A-322 GR 4150 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: NHA: MARINEPAK, 300 TON DUPLEX R-114, WATER COOLING SYSTEM; Part Name Assigned by Controlling Agency: WASHER ECCENTRIC; End Item Identification: SSN-688 CLASS SUBMARINE. 2 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.