The Washer,flat, cataloged under National Stock Number 5310-01-468-8783, 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 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-468-8783 |
| Primary Part Number | 021-11973-000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.266 INCHES NOMINAL IN |
| Thickness | 0.016 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 |
|---|---|
| 021-11973-000 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 48511-00 | D/9 Drawing number reference only Johnson Controls Navy Systems, Llc |
| 364-48867-000 ITEM 8 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 364-48756-000 ITEM 140 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 364-4896-000 ITEM 94J | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 064-48511-00 ITEM 47H | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 364-48756-000 ITEM 47H | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 364-48772-000 ITEM 9 | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
NSN 5310-01-468-8783 is a Washer,flat, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-468-8783 has 1 manufacturer part number on file: 021-11973-000 (Johnson Controls Navy Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-468-8796. Verify interchangeability with system specifications before substitution.
Key specifications for 021-11973-000: Overall Diameter: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: USED ON TICONDEROGA CLASS CG. 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.