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NSN 5310-00-343-1702Government record, cited

Washer, Flat5310-00-343-1702

NSN 5310-00-343-1702 · NIIN 003431702

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

Government record, cited

Also searched as 5310-00-343-1702 · 5310003431702 · NIIN 003431702 · 00-343-1702 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-00-343-1666 · 5310-00-343-1785 →

5310-00-343-1702 — Nuts and Washers

Features

Washer,flat — FSC 5310
Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter: 0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Material Document and Classification: MIL-S-5059 FULL HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PASSIVATE OVERALL
Peripheral Shape Style: ROUND
Material: STEEL COMP 301 OVERALL

Identification

NSN: 5310-00-343-1702
NIIN: 003431702
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-00-343-1702, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-00-343-1702
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter	0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Material Document and Classification	MIL-S-5059 FULL HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Surface Treatment	PASSIVATE OVERALL
Peripheral Shape Style	ROUND
Material	STEEL COMP 301 OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.125 INCHES NOMINAL IN
Thickness	0.016 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

⇄ Related Items 9

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

1670-00-463-7477A2000 POSSIBLE MATCH

FITTING,CARGO TIEDOWN

Possible match (shared part number)Rbc Aerostructures Llc

5999-00-905-9690A2000 POSSIBLE MATCH

HEAT SINK,ELECTRICAL-ELECTRONIC

Possible match (shared part number)American Beryllia Inc

5998-01-036-2482713106-1 POSSIBLE MATCH

EXTENDER CARD,ELECTRONIC TEST

Possible match (shared part number)Raytheon Company Dba Raytheon Co

6530-01-083-6042A-2000 POSSIBLE MATCH

URINAL,INCONTINENT

Possible match (shared part number)Medical Marketing Group Inc Manufacturing Div

6530-01-231-1530 POSSIBLE MATCH

URINAL,INCONTINENT

Possible match (shared part number)

4910-01-465-4537A2000 POSSIBLE MATCH

TESTER,FUEL INJECTOR PUMP

Possible match (shared part number)Bacharach, Inc.

6530-01-471-6041A-2000 POSSIBLE MATCH

CLAMP,SKULL,NEUROSURGICAL HEADRE

Possible match (shared part number)Schaerer Medical Usa, Inc. Div Na

6515-01-510-9357A2000 POSSIBLE MATCH

HANDPIECE,SURGICAL APPARATUS

Possible match (shared part number)Aaron Medical Industries Inc

3950-01-671-8816A2-000 POSSIBLE MATCH

LEVELER,LOAD,CRANE

Possible match (shared part number)Del Mar Avionics, Llc

Cross-Reference Index

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

Reference documents

Reference	Meaning
A2000	3/2 Design control — primary reference U.S. Government activity

Related Parts

1670-00-463-7477POSSIBLE MATCH

FITTING,CARGO TIEDOWN

A2000

5999-00-905-9690POSSIBLE MATCH

HEAT SINK,ELECTRICAL-ELECTRONIC

A2000

5998-01-036-2482POSSIBLE MATCH

EXTENDER CARD,ELECTRONIC TEST

713106-1

6530-01-083-6042POSSIBLE MATCH

URINAL,INCONTINENT

A-2000

6530-01-231-1530POSSIBLE MATCH

URINAL,INCONTINENT

4910-01-465-4537POSSIBLE MATCH

TESTER,FUEL INJECTOR PUMP

A2000

6530-01-471-6041POSSIBLE MATCH

CLAMP,SKULL,NEUROSURGICAL HEADRE

A-2000

6515-01-510-9357POSSIBLE MATCH

HANDPIECE,SURGICAL APPARATUS

A2000

3950-01-671-8816POSSIBLE MATCH

LEVELER,LOAD,CRANE

A2-000

Frequently Asked Questions

What is NSN 5310-00-343-1702?

NSN 5310-00-343-1702 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What NSN replaces 5310-00-343-1702?

9 possible matches (shared part number, not a government interchangeability claim): 1670-00-463-7477, 5999-00-905-9690, 5998-01-036-2482. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310-00-343-1702?

Key specifications for 5310-00-343-1702: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 FULL HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-343-1702 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.

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