The Washer,lock, cataloged under National Stock Number 5310-01-422-3906, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-422-3906 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Departure From Cited Document | AS MODIFIED BY MATERIAL. |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D301114 FIND NO 65 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| MS35338-141 CRE S 304 ONLY | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| E102170 PC NO 70 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| 6894422 ITEM NO 127 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| E102862 PART NO 70 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| 50P00182-0125 | C/1 Advisory reference — outside the item-of-supply concept Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| WG107381 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| E106482 PART NO 70 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| MS35338-141 | 4/1 Identification reference U.S. Government activity |
| 5310PL0654347 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8002103 | C/1 Advisory reference — outside the item-of-supply concept The Crosby Group Llc Dba the Crosby Group |
| 50P00182-0125 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| E108609 FIND 241 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| E104555 FIND 84 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| E101286 PC NO 70 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| E108186 PART NO 241 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
NSN 5310-01-422-3906 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-629-7759. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-422-3906: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.680 INCHES NOMINAL IN; Material Thickness: 0.094 INCHES NOMINAL IN. 8 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.