PartsTable TECHNICAL DATA SHEET

NSN 5315-01-253-3949Government record, cited

Pin5315-01-253-3949

NSN 5315-01-253-3949 · NIIN 012533949 · Part number B1540A

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 5315 — Nails, Machine Keys, and Pins · FSG 53 — Hardware and Abrasives · CAGE 61208

Government record, cited

NSN 5315-01-253-3949 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-253-3949. Manufacturer of record part number: B1540A.

Also searched as 5315-01-253-3949 · 5315012533949 · NIIN 012533949 · 01-253-3949 · FSC 5315 Nails, Machine Keys, and Pins · CAGE 61208 · B1540A

Nearby stock numbers ← 5315-01-253-3947 · 5315-01-253-3950 Pin →

5315-01-253-3949 — Nails, Machine Keys, and Pins

Features

Pin — FSC 5315
2 manufacturer part numbers on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 5315-01-253-3949
NIIN: 012533949
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
Primary part number: B1540A
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Pin, cataloged under National Stock Number 5315-01-253-3949, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Pin
FSC / FSG	5315 — Nails, Machine Keys, and Pins (FSG 53)
Manufacturers	Marine & Industrial Transmissions Ltd (CAGE U2621); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)

Technical Specifications

Parameter	Value
NSN	5315-01-253-3949
Primary Part Number	B1540A
Item Name	Pin
FSC / FSG	5315 / 53 — Nails, Machine Keys, and Pins
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)

Cross-Reference Index

Part Number	Manufacturer
B1540A	Marine & Industrial Transmissions Ltd (GBR)
B1540A PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)

Reference documents

Reference	Meaning
B1540A	5/9 Secondary reference Twin Disc International S a

No interchangeability data on file.

Other items in FSC 5315 — Nails, Machine Keys, and Pins

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

5315-00-000-1037

5315-00-000-1037 · Item name not on file

5315-00-000-1067

5315-00-000-1067 · Item name not on file

5315-00-000-1245

5315-00-000-1245 · Item name not on file

5315-00-000-1372

5315-00-000-1372 · Item name not on file

5315-00-000-1412

5315-00-000-1412 · Item name not on file

5315-00-001-1571

5315-00-001-1572

PIN,LINKAGE

5315-00-001-1602

5315-00-001-1602 · Item name not on file

Frequently Asked Questions

What is NSN 5315-01-253-3949?

NSN 5315-01-253-3949 is a Pin, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.

What part numbers are listed for NSN 5315-01-253-3949?

NSN 5315-01-253-3949 has 2 manufacturer part numbers on file: B1540A (Marine & Industrial Transmissions Ltd), B1540A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

Is NSN 5315-01-253-3949 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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