The Washer,lock, cataloged under National Stock Number 5310-01-379-8133, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Din Deutsches Institut Fur Normung Ev. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-379-8133 |
| Primary Part Number | DIN127-B2.5-1.4310 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Din Deutsches Institut Fur Normung Ev |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 5.1 MILLIMETERS MAXIMUM MM |
| Material Thickness | 0.6 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM 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 |
|---|---|
| DIN127-B2.5-1.4310 | Din Deutsches Institut Fur Normung Ev (DEU) |
| 127A22,5 | Bollhoff, S.r.o. (CZE) |
| 186137626 | Safran Electronics & Defense (FRA) |
| 51450.025.001 | Fabory Czech S.r.o. (CZE) |
| DIN 127 A2 2,5 | Bollhoff, S.r.o. (CZE) |
| 1253549 | Bossard Ltd Fasteners (CHE) |
| BN 672-M2,5 | Bossard Ltd Fasteners (CHE) |
| 51450025001 | Fabory Czech S.r.o. (CZE) |
| Reference | Meaning |
|---|---|
| 2.5 DIN127B-A2 | 5/9 Secondary reference Aero Vodochody A.s. |
| DIN127-B2,5-1.4 310 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| DIN127-B2.5-1.4310 | 3/9 Design control — primary reference Metric and Multistandard Components Corp |
| M2119070 | 5/9 Secondary reference Aero Vodochody A.s. |
NSN 5310-01-379-8133 is a Washer,lock, manufactured by Din Deutsches Institut Fur Normung Ev, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-379-8133 has 8 manufacturer part numbers on file: DIN127-B2.5-1.4310 (Din Deutsches Institut Fur Normung Ev), 127A22,5 (Bollhoff, S.r.o.), 186137626 (Safran Electronics & Defense), 51450.025.001 (Fabory Czech S.r.o.), DIN 127 A2 2,5 (Bollhoff, S.r.o.) and 3 more.
Key specifications for DIN127-B2.5-1.4310: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 5.1 MILLIMETERS MAXIMUM MM; Material Thickness: 0.6 MILLIMETERS NOMINAL MM; Material: STEEL COMP 301 OVERALL. 5 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.