The Washer,flat, cataloged under National Stock Number 5310-00-167-0797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Miltope Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 25 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Miltope Corporation (CAGE 54418) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-167-0797 |
| Primary Part Number | M146-117 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Miltope Corporation |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M146-117 | Miltope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10116603 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 310-0044-00 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5310001670797 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 004-003081-004 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| 24-00029-003 | 5/1 Secondary reference Raytheon Company |
| 0188-4 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| H955160303 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 236M0010P001 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| 236M0010P001 | 5/9 Secondary reference Raytheon Company Div Corp |
| 0188-4 | 5/1 Secondary reference Honeywell International Inc. Dba Honeywell International |
| AN960C3 | 5/9 Secondary reference U.S. Government activity |
| AN960C3 | 2/2 Government specification standardization U.S. Government activity |
| 5310001670797 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 310-0044-000 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2611-111035 | 5/9 Secondary reference Tokyo Aircraft Instrument Co. Ltd |
| 5310PL0150717 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2W1C7-8-032 | 5/1 Secondary reference The Boeing Company Div Legacy Am&m |
| 153-0013-002 | 5/1 Secondary reference U.S. Government activity |
| 83724 | C/1 Advisory reference — outside the item-of-supply concept Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions Div Teledyne Mec |
| 26016156-02 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-167-0797 is a Washer,flat, manufactured by Miltope Corporation, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-167-0797 has 1 manufacturer part number on file: M146-117 (Miltope Corporation).
5 possible matches (shared part number, not a government interchangeability claim): 5310-00-275-9230, 5310-00-282-9093, 5340-00-894-5202. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5310-00-167-0797 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.