The Washer,flat, cataloged under National Stock Number 5310-01-170-5455, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-170-5455 |
| Primary Part Number | ISO7089-ME-A2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 7.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | QQ-A-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 3.2 MILLIMETERS NOMINAL MM |
| Thickness | 0.5 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 |
|---|---|
| DIN125A-M3-A2 | Din Deutsches Institut Fur Normung Ev (DEU) |
| 82A5027A1209 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| ISO7089-ME-A2 PRIMARY | International Organization for Standardization (iso) (CHE) |
| 125/A2-M3 | Din Deutsches Institut Fur Normung Ev (DEU) |
| Reference | Meaning |
|---|---|
| NO125ST-3 | 5/9 Secondary reference Metric and Multistandard Components Corp |
| 125A/A2-M3 | 5/9 Secondary reference Machida Incorporated Dba Vision-Sciences Div Industrial |
NSN 5310-01-170-5455 is a Washer,flat, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-170-5455 has 4 manufacturer part numbers on file: DIN125A-M3-A2 (Din Deutsches Institut Fur Normung Ev), 82A5027A1209 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), ISO7089-ME-A2 (International Organization for Standardization (iso)), 125/A2-M3 (Din Deutsches Institut Fur Normung Ev).
Key specifications for ISO7089-ME-A2: Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 7.0 MILLIMETERS NOMINAL MM; Material Document and Classification: QQ-A-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.