Washer, Concave5310-01-191-0455

NSN 5310-01-191-0455 · NIIN 011910455

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

Government record, cited

Also searched as 5310-01-191-0455 · 5310011910455 · NIIN 011910455 · 01-191-0455 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-191-0454 · 5310-01-191-0456 Washer, Concave →

5310-01-191-0455 — Nuts and Washers

Features

Washer,concave — FSC 5310
Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Radius: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Style Designator: CONCAVE
Material Document and Classification: AMS 5643,COND H1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
Material Thickness: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE OVERALL

Identification

NSN: 5310-01-191-0455
NIIN: 011910455
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,concave, cataloged under National Stock Number 5310-01-191-0455, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-191-0455
Item Name	Washer,concave
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Radius	0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Style Designator	CONCAVE
Material Document and Classification	AMS 5643,COND H1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter	0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
Material Thickness	0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Surface Treatment	PASSIVATE OVERALL
Material	STEEL COMP 630 OVERALL
Hole Diameter	0.177 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
3355178-1	3/2 Design control — primary reference U.S. Government activity

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 5310-01-191-0455?

NSN 5310-01-191-0455 is a Washer,concave, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-191-0455?

Key specifications for 5310-01-191-0455: Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Radius: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Style Designator: CONCAVE; Material Document and Classification: AMS 5643,COND H1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-191-0455 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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