The Washer,swing C, cataloged under National Stock Number 5310-01-079-6640, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mjt Holdings Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-079-6640 |
| Primary Part Number | ABD-26215 |
| Item Name | Washer,swing C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mjt Holdings Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 1020STEEL,BLACK OXIDE FINISH PER MIL-C-13924A; ACCOMODATES 0.656 IN. PIN; 0.375 IN. THK; W/SOCKET HEAD SCREW,1/4-20 THD SIZE A |
| 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 |
|---|---|
| ABD-26215 PRIMARY | Mjt Holdings Llc (USA) |
| Reference | Meaning |
|---|---|
| 39002 | 3/2 Design control — primary reference U.S. Government activity |
| CL-2-SCW | 3/2 Design control — primary reference U.S. Government activity |
| 12271159 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-079-6640 is a Washer,swing C, manufactured by Mjt Holdings Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-079-6640 has 1 manufacturer part number on file: ABD-26215 (Mjt Holdings Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-120-6802, 5365-01-159-1221, 4820-01-209-6658. Verify interchangeability with system specifications before substitution.
Key specifications for ABD-26215: General Characteristics Item Description: 1020STEEL,BLACK OXIDE FINISH PER MIL-C-13924A; ACCOMODATES 0.656 IN. PIN; 0.375 IN. THK; W/SOCKET HEAD SCREW,1/4-20 THD SIZE A. 1 specification is 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.