The Washer,lock, cataloged under National Stock Number 5310-00-042-6678, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-042-6678 |
| Primary Part Number | 12X195 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.296 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | A CLASS AND 2 STYLE |
| Surface Treatment | TIN OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.168 INCHES MINIMUM AND 0.178 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 |
| Part Number | Manufacturer |
|---|---|
| 426678 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 12X195 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 12X195 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 426678 | 5/9 Secondary reference General Motors Corp |
| 12X195 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 426678 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| FFW84CLASSASTYLE2 | 4/1 Identification reference U.S. Government activity |
| 5310000426678 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 426678 | 5/9 Secondary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
| 12X195 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5310-00-042-6678 is a Washer,lock, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-042-6678 has 3 manufacturer part numbers on file: 426678 (Army Weapons Command Attn Amswe-Ree-S), 12X195 (Chrysler Realty Company Llc Dba Daimler Chrysler), 12X195 (Prestolite Electric Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-089-8711. Verify interchangeability with system specifications before substitution.
Key specifications for 12X195: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.296 INCHES MAXIMUM IN; Material Thickness: 0.040 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.