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NSN 5310-01-233-9293Government record, cited

Washer, Flat5310-01-233-9293

NSN 5310-01-233-9293 · NIIN 012339293 · Part number B-1512-AB

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 61208

Government record, cited

NSN 5310-01-233-9293 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-233-9293. Manufacturer of record part number: B-1512-AB.

Also searched as 5310-01-233-9293 · 5310012339293 · NIIN 012339293 · 01-233-9293 · FSC 5310 Nuts and Washers · CAGE 61208 · B-1512-AB · B1512AB · B1512AB

Nearby stock numbers ← 5310-01-233-9292 Washer, Flat · 5310-01-233-9294 Washer, Flat →

5310-01-233-9293 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 5310-01-233-9293
NIIN: 012339293
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: B-1512-AB
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-233-9293, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Marine & Industrial Transmissions Ltd (CAGE U2621)

Technical Specifications

Parameter	Value
NSN	5310-01-233-9293
Primary Part Number	B-1512-AB
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Status	ACTIVE

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
B-1512-AB PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
B1512AB	Marine & Industrial Transmissions Ltd (GBR)

Reference documents

Reference	Meaning
B1512AB	5/9 Secondary reference Twin Disc International S a

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 5310-01-233-9293?

NSN 5310-01-233-9293 is a Washer,flat, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-233-9293?

NSN 5310-01-233-9293 has 2 manufacturer part numbers on file: B-1512-AB (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), B1512AB (Marine & Industrial Transmissions Ltd).

Is NSN 5310-01-233-9293 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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