Washer, Flat5310-01-646-5075

NSN 5310-01-646-5075 · NIIN 016465075

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-646-5075 · 5310016465075 · NIIN 016465075 · 01-646-5075 · FSC 5310 Nuts and Washers · NAS1149E063P · NAS1149E0632P · NAS1149E0632P · NAS1149E063P

Nearby stock numbers ← 5310-01-646-5074 Washer, Flat · 5310-01-646-5076 Washer, Flat →

5310-01-646-5075 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 0.625 INCHES NOMINAL IN
Special Test Features: FINISH: PASSIVATE PER AMS2700, METHOD 1, TYPE 6 OR TYPE 7, CLASS 1
Surface Treatment: PASSIVATE OVERALL
Peripheral Shape Style: ROUND
Width: 0.032 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING OVERALL
Hole Diameter: 0.390 INCHES NOMINAL IN

Identification

NSN: 5310-01-646-5075
NIIN: 016465075
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-646-5075, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-646-5075
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Overall Diameter	0.625 INCHES NOMINAL IN
Special Test Features	FINISH: PASSIVATE PER AMS2700, METHOD 1, TYPE 6 OR TYPE 7, CLASS 1
Surface Treatment	PASSIVATE OVERALL
Peripheral Shape Style	ROUND
Width	0.032 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING OVERALL
Hole Diameter	0.390 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NAS1149E063P	5/9 Secondary reference U.S. Government activity
NAS1149E0632P	3/2 Design control — primary reference U.S. Government activity
NAS1149E0632P	5/2 Secondary reference U.S. Government activity
NAS1149E063P	5/9 Secondary reference U.S. Government activity

Frequently Asked Questions

What is NSN 5310-01-646-5075?

NSN 5310-01-646-5075 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-646-5075?

Key specifications for 5310-01-646-5075: Overall Diameter: 0.625 INCHES NOMINAL IN; Special Test Features: FINISH: PASSIVATE PER AMS2700, METHOD 1, TYPE 6 OR TYPE 7, CLASS 1; Special Features: MATERIAL: A286 (UNS S66286) CHEMISTRY PER AMS5525, HEAT TREATED TO 160 KSI MIN UTS; Surface Treatment: PASSIVATE OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-646-5075 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com