Washer, Flat5310-01-172-2054

NSN 5310-01-172-2054 · NIIN 011722054

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

Government record, cited

Also searched as 5310-01-172-2054 · 5310011722054 · NIIN 011722054 · 01-172-2054 · FSC 5310 Nuts and Washers · 75A427230-2001 · 75A427230-2001

Nearby stock numbers ← 5310-01-172-2053 Nut, Plain, Round · 5310-01-172-2055 Washer, Flat →

5310-01-172-2054 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 0.560 INCHES NOMINAL IN
Material Document and Classification: BS 1490.L-25M NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS 1490.S07-1008 10G NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL G
Peripheral Shape Style: DEE
Material: ALUMINUM ALLOY OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.266 INCHES NOMINAL IN

Identification

NSN: 5310-01-172-2054
NIIN: 011722054
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-172-2054, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5310-01-172-2054
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Overall Diameter	0.560 INCHES NOMINAL IN
Material Document and Classification	BS 1490.L-25M NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS 1490.S07-1008 10G NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL G
Peripheral Shape Style	DEE
Material	ALUMINUM ALLOY OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.266 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
75A427230-2001	C/1 Advisory reference — outside the item-of-supply concept Bae Systems Plc
75A427230-2001	3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures)

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-172-2054?

NSN 5310-01-172-2054 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-172-2054?

Key specifications for 5310-01-172-2054: Overall Diameter: 0.560 INCHES NOMINAL IN; Material Document and Classification: BS 1490.L-25M NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS 1490.S07-1008 10G NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL G; Special Features: OFF CENTER ID. RADIUS 0.360 IN. CENTERLINE TO OUTSIDE EDGE IN; Peripheral Shape Style: DEE. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-172-2054 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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