PartsTable TECHNICAL DATA SHEET

NSN 4030-01-133-0756Government record, cited

Socket4030-01-133-0756

NSN 4030-01-133-0756 · NIIN 011330756 · Part number IS-337

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

Government record, cited

NSN 4030-01-133-0756 — this item is cataloged by the U.S. Government under National Stock Number 4030-01-133-0756. Manufacturer of record part number: IS-337.

Also searched as 4030-01-133-0756 · 4030011330756 · NIIN 011330756 · 01-133-0756 · FSC 4030 Fittings for Rope, Cable, and Chain · CAGE 79931 · IS-337 · 2056-31 PIECE 3

Nearby stock numbers ← 4030-01-133-0755 · 4030-01-133-4041 Anchor, Guy →

Features

Socket — FSC 4030
1 manufacturer part number on file
Manufacturer of record: Esmet Inc

Identification

NSN: 4030-01-133-0756
NIIN: 011330756
FSC: 4030 — Fittings for Rope, Cable, and Chain
FSG: 40 — Rope, Cable, Chain, and Fittings
Primary part number: IS-337
Manufacturer: Esmet Inc

General Description

The Socket, cataloged under National Stock Number 4030-01-133-0756, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Socket
FSC / FSG	4030 — Fittings for Rope, Cable, and Chain (FSG 40)
Manufacturers	Esmet Inc (CAGE 79931)

Technical Specifications

Parameter	Value
NSN	4030-01-133-0756
Primary Part Number	IS-337
Item Name	Socket
FSC / FSG	4030 / 40 — Fittings for Rope, Cable, and Chain
Manufacturer	Esmet Inc
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
IS-337 PRIMARY	Esmet Inc (USA)

Reference documents

Reference	Meaning
2056-31 PIECE 3	5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding

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 4030-01-133-0756?

NSN 4030-01-133-0756 is a Socket, manufactured by Esmet Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.

What part numbers are listed for NSN 4030-01-133-0756?

NSN 4030-01-133-0756 has 1 manufacturer part number on file: IS-337 (Esmet Inc).

Is NSN 4030-01-133-0756 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.

PartsTable Design LLC · partstable.com