The Washer,flat, cataloged under National Stock Number 5310-01-735-7431, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-735-7431 |
| Primary Part Number | ISO7089-6-300HV-ZNNI5/CN/T2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.40 MILLIMETERS MINIMUM AND 6.62 MILLIMETERS MAXIMUM MM |
| Thickness | 1.40 MILLIMETERS MINIMUM AND 1.80 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ISO4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | I9008-ISO7089 INTERNATIONAL STD/SPEC |
| Surface Treatment | ZINC NICKEL OVERALL |
| 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 |
|---|---|
| ISO7089-6-300HV-ZNNI5/CN/T2 PRIMARY | International Organization for Standardization (iso) (CHE) |
| 2151 7089-153 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| ISO7089 | 3/1 Design control — primary reference International Organization for Standardization (iso) |
NSN 5310-01-735-7431 is a Washer,flat, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-735-7431 has 2 manufacturer part numbers on file: ISO7089-6-300HV-ZNNI5/CN/T2 (International Organization for Standardization (iso)), 2151 7089-153 (Bae Systems Hagglunds Aktiebolag).
Key specifications for ISO7089-6-300HV-ZNNI5/CN/T2: Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: PLAIN WASHERS-NORMAL SERIES-PRODUCT GRADE A; End Item Identification: 2350-017079150; Material: STEEL OVERALL. 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.