Washer, Seal5310-01-525-2741

NSN 5310-01-525-2741 · NIIN 015252741 · Part number 91195A111

Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 3A054

Government record, cited

NSN 5310-01-525-2741 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-525-2741. Manufacturer of record part number: 91195A111.

Also searched as 5310-01-525-2741 · 5310015252741 · NIIN 015252741 · 01-525-2741 · FSC 5310 Nuts and Washers · CAGE 3A054 · 91195A111

Nearby stock numbers ← 5310-01-525-2682 Nut, Plain, Hexagon · 5310-01-525-2757 Washer, Flat →

5310-01-525-2741 — Nuts and Washers

Features

Washer,seal — FSC 5310
Style Designator: CONCAVE
Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material: RUBBER SILICONE CLASS Q SEALING ELEMENT
Material: STEEL CORROSION RESISTING BODY
Hole Diameter: 0.325 INCHES NOMINAL0.325 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 5310-01-525-2741
NIIN: 015252741
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 91195A111
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Washer,seal, cataloged under National Stock Number 5310-01-525-2741, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-525-2741
Primary Part Number	91195A111
Item Name	Washer,seal
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Style Designator	CONCAVE
Outside Diameter	1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material	RUBBER SILICONE CLASS Q SEALING ELEMENT
Material	STEEL CORROSION RESISTING BODY
Hole Diameter	0.325 INCHES NOMINAL0.325 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

Part Number	Manufacturer
91195A111 PRIMARY	Mcmaster-Carr Supply Co (USA)

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 5310-01-525-2741?

NSN 5310-01-525-2741 is a Washer,seal, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-525-2741?

NSN 5310-01-525-2741 has 1 manufacturer part number on file: 91195A111 (Mcmaster-Carr Supply Co).

What are the specifications of 91195A111?

Key specifications for 91195A111: Overall Height: 0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN; Style Designator: CONCAVE; Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; End Item Identification: AN/SLQ-48 MINE NEUTRALIZATIONAN/SLQ-48 MINE NEUTRALIZATION. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-525-2741 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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