The Washer,flat, cataloged under National Stock Number 5310-01-623-4367, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems (CAGE U6454); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-623-4367 |
| Primary Part Number | 870900217 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems |
| 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 |
|---|---|
| 870900217 PRIMARY | Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems (GBR) |
| 4132514 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 870900217 | 5/9 Secondary reference Ultra Electronics Precision Air & Land Systems |
NSN 5310-01-623-4367 is a Washer,flat, manufactured by Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-623-4367 has 2 manufacturer part numbers on file: 870900217 (Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems), 4132514 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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.