The Washer,flat, cataloged under National Stock Number 5310-01-142-4877, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lehigh Armstrong Inc. 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-142-4877 |
| Primary Part Number | DIN125-BRASS |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lehigh Armstrong Inc |
| Status | ACTIVE |
| Overall Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 17.0 MILLIMETERS NOMINAL MM |
| Thickness | 3.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| DIN125-BRASS PRIMARY | Lehigh Armstrong Inc (USA) |
| Reference | Meaning |
|---|---|
| DIN125B BRASS | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| DIN125 17X30 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| DIN125 8.4X17 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML 8.4X17MM | C/1 Advisory reference — outside the item-of-supply concept Lehigh Armstrong Inc |
| DIN125 4.3X9 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML 8.4X17MM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML 17X30MM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML 17X30MM | C/1 Advisory reference — outside the item-of-supply concept Lehigh Armstrong Inc |
| C0ML 4.3X9MM | C/1 Advisory reference — outside the item-of-supply concept Lehigh Armstrong Inc |
| 7183.102 | 5/9 Secondary reference Alcatel-Lucent Norway As |
| C0ML 4.3X9MM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-142-4877 is a Washer,flat, manufactured by Lehigh Armstrong Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-142-4877 has 1 manufacturer part number on file: DIN125-BRASS (Lehigh Armstrong Inc).
Key specifications for DIN125-BRASS: Overall Diameter: 30.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: COPPER ALLOY 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.