Washer, Recessed5310-01-149-0746

NSN 5310-01-149-0746 · NIIN 011490746

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

Government record, cited

Also searched as 5310-01-149-0746 · 5310011490746 · NIIN 011490746 · 01-149-0746 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-149-0745 Washer, Flat · 5310-01-149-0747 Washer, Recessed →

5310-01-149-0746 — Nuts and Washers

Features

Washer,recessed — FSC 5310
Radius: 0.002 INCHES NOMINAL IN
Style Designator: RECESSED BOTH SIDES
Outside Diameter: 0.490 INCHES NOMINAL IN
Material Thickness: 0.050 INCHES NOMINAL IN
Recess Diameter: 0.395 INCHES NOMINAL IN
Material: ALUMINUM ALLOY 2024 OVERALL
Hole Diameter: 0.250 INCHES NOMINAL IN

Identification

NSN: 5310-01-149-0746
NIIN: 011490746
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,recessed, cataloged under National Stock Number 5310-01-149-0746, 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7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	5310-01-149-0746
Item Name	Washer,recessed
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Radius	0.002 INCHES NOMINAL IN
Style Designator	RECESSED BOTH SIDES
Outside Diameter	0.490 INCHES NOMINAL IN
Material Thickness	0.050 INCHES NOMINAL IN
Recess Diameter	0.395 INCHES NOMINAL IN
Material	ALUMINUM ALLOY 2024 OVERALL
Hole Diameter	0.250 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 1

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

5905-01-263-0284234-0012 POSSIBLE MATCH

RESISTOR SET,MATCHED

Possible match (shared part number)Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix

Cross-Reference Index

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

Reference documents

Reference	Meaning
23-400-12	3/2 Design control — primary reference U.S. Government activity

Related Parts

5905-01-263-0284POSSIBLE MATCH

RESISTOR SET,MATCHED

234-0012

Frequently Asked Questions

What is NSN 5310-01-149-0746?

NSN 5310-01-149-0746 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.

What NSN replaces 5310-01-149-0746?

1 possible match (shared part number, not a government interchangeability claim): 5905-01-263-0284. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310-01-149-0746?

Key specifications for 5310-01-149-0746: Radius: 0.002 INCHES NOMINAL IN; Style Designator: RECESSED BOTH SIDES; Outside Diameter: 0.490 INCHES NOMINAL IN; Material Thickness: 0.050 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-149-0746 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