The Washer,flat, cataloged under National Stock Number 5310-00-231-4335, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-231-4335 |
| Primary Part Number | GR2149-2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Overall Diameter | 1.188 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Thickness | 0.125 INCHES NOMINAL 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 |
|---|---|
| GR2149-2 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| GR2149-2 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| SCB40823 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-231-4335 is a Washer,flat, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-231-4335 has 1 manufacturer part number on file: GR2149-2 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for GR2149-2: Overall Diameter: 1.188 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL. 7 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.