The Washer,split, cataloged under National Stock Number 5310-00-121-2339, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-121-2339 |
| Primary Part Number | 8547987-11 |
| Item Name | Washer,split |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance Across Split Opening | 0.063 INCHES MAXIMUM IN |
| Style Designator | SPLIT |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.610 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Material Thickness | 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Hole Diameter | 0.201 INCHES MINIMUM AND 0.211 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 |
|---|---|
| 8547987-11 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 8547987-11 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5310-00-121-2339 is a Washer,split, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-121-2339 has 1 manufacturer part number on file: 8547987-11 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 8547987-11: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance Across Split Opening: 0.063 INCHES MAXIMUM IN; Style Designator: SPLIT; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 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.