PartsTable TECHNICAL DATA SHEET

NSN 4030-00-279-4645Government record, cited

Wedge, Wire Rope Socket4030-00-279-4645

NSN 4030-00-279-4645 · NIIN 002794645 · Part number MU1931

Esmet Inc · FSC 4030 — Fittings for Rope, Cable, and Chain · FSG 40 — Rope, Cable, Chain, and Fittings · CAGE 79931

Government record, cited

NSN 4030-00-279-4645 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-279-4645. Manufacturer of record part number: MU1931.

Also searched as 4030-00-279-4645 · 4030002794645 · NIIN 002794645 · 00-279-4645 · FSC 4030 Fittings for Rope, Cable, and Chain · CAGE 79931 · MU1931 · 4368961-6D

Nearby stock numbers ← 4030-00-279-4476 Shackle · 4030-00-279-9694 →

Features

Wedge,wire Rope Socket — FSC 4030
Accommodated Material Diameter: 0.312 INCHES NOMINAL IN
Material: COPPER
1 manufacturer part number on file
Manufacturer of record: Esmet Inc

Identification

NSN: 4030-00-279-4645
NIIN: 002794645
FSC: 4030 — Fittings for Rope, Cable, and Chain
FSG: 40 — Rope, Cable, Chain, and Fittings
Primary part number: MU1931
Manufacturer: Esmet Inc

General Description

The Wedge,wire Rope Socket, cataloged under National Stock Number 4030-00-279-4645, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Esmet Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4030-00-279-4645
Primary Part Number	MU1931
Item Name	Wedge,wire Rope Socket
FSC / FSG	4030 / 40 — Fittings for Rope, Cable, and Chain
Manufacturer	Esmet Inc
Status	ACTIVE
Accommodated Material Diameter	0.312 INCHES NOMINAL IN
Material	COPPER

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
MU1931 PRIMARY	Esmet Inc (USA)

Reference documents

Reference	Meaning
4368961-6D	5/9 Secondary reference Bet-Mar Corp

No interchangeability data on file.

Other items in FSC 4030 — Fittings for Rope, Cable, and Chain

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

4030-00-001-5120

SHACKLE

4030-00-001-9591

TERMINAL,ROPE,SWAGING

4030-00-001-9952

PLUG,WIRE ROPE

4030-00-001-9953

FERRULE,WIRE ROPE

4030-00-003-0385

4030-00-003-0385 · Item name not on file

4030-00-003-1512

SHACKLE

4030-00-003-1801

SLEEVE

4030-00-003-4166

4030-00-003-4166 · Item name not on file

Frequently Asked Questions

What is NSN 4030-00-279-4645?

NSN 4030-00-279-4645 is a Wedge,wire Rope Socket, manufactured by Esmet Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.

What part numbers are listed for NSN 4030-00-279-4645?

NSN 4030-00-279-4645 has 1 manufacturer part number on file: MU1931 (Esmet Inc).

What are the specifications of MU1931?

Key specifications for MU1931: Accommodated Material Diameter: 0.312 INCHES NOMINAL IN; Material: COPPER. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4030-00-279-4645 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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