Disc, Brake3040-01-257-0718

NSN 3040-01-257-0718 · NIIN 012570718 · Part number 304431

Calgon Carbon Uv Technologies Llc Dba Hyde Marine · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 29899

Government record, cited

NSN 3040-01-257-0718 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-257-0718. Manufacturer of record part number: 304431.

Also searched as 3040-01-257-0718 · 3040012570718 · NIIN 012570718 · 01-257-0718 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 29899 · 304431 · 21700 SEQUENCE 15

Nearby stock numbers ← 3040-01-257-0713 Disk Brake Shoe · 3040-01-257-0869 Housing, Mechanical Drive →

Features

Disc,brake — FSC 3040
2 manufacturer part numbers on file
Manufacturer of record: Calgon Carbon Uv Technologies Llc Dba Hyde Marine

Identification

NSN: 3040-01-257-0718
NIIN: 012570718
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 304431
Manufacturer: Calgon Carbon Uv Technologies Llc Dba Hyde Marine

General Description

The Disc,brake, cataloged under National Stock Number 3040-01-257-0718, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Disc,brake
FSC / FSG	3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Manufacturers	Calgon Carbon Uv Technologies Llc Dba Hyde Marine (CAGE 29899)

Technical Specifications

Parameter	Value
NSN	3040-01-257-0718
Primary Part Number	304431
Item Name	Disc,brake
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Calgon Carbon Uv Technologies Llc Dba Hyde Marine
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5998-01-377-01031737AS30443-1 POSSIBLE MATCH

PRINTED WIRING BOARD

Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier

5331-01-615-0341304431 POSSIBLE MATCH

O-RING

Possible match (shared part number)Scania Usa Inc Dba Scania Usa Inc

Cross-Reference Index

Part Number	Manufacturer
21700 SEQUENCE 15	Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)
304431 PRIMARY	Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)

Related Parts

5998-01-377-0103POSSIBLE MATCH

PRINTED WIRING BOARD

1737AS30443-1

5331-01-615-0341POSSIBLE MATCH

O-RING

304431

Frequently Asked Questions

What is NSN 3040-01-257-0718?

NSN 3040-01-257-0718 is a Disc,brake, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-257-0718?

NSN 3040-01-257-0718 has 2 manufacturer part numbers on file: 21700 SEQUENCE 15 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 304431 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).

What NSN replaces 3040-01-257-0718?

2 possible matches (shared part number, not a government interchangeability claim): 5998-01-377-0103, 5331-01-615-0341. Verify interchangeability with system specifications before substitution.

Is NSN 3040-01-257-0718 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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