PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

340402-18Wrench,box and Open End,combinat

Name: 340402-18
SKU: 5120-00-391-1218

Liquid Air Corp Industrial Gases Div · NSN 5120-00-391-1218 · FSC 5120 · No Item Name Available

Verified by PartsTable

NSN 5120-00-391-1218 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-391-1218. Primary manufacturer part number: 340402-18.

5120-00-391-1218 — No Item Name Available illustration

Features

Wrench,box and Open End,combinat — FSC 5120
Material: STEEL OVERALL
Style Designator: MULTIPLE SIZE
3 verified cross-references
Primary manufacturer: Liquid Air Corp Industrial Gases Div

Applications

Applications requiring Steel Overall construction

General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-00-391-1218, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Liquid Air Corp Industrial Gases Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5120-00-391-1218
Primary Part Number	340402-18
Item Name	Wrench,box and Open End,combinat
FSC / FSG	5120 / 51 — No Item Name Available
Manufacturer	Liquid Air Corp Industrial Gases Div
Status	ACTIVE
Material	STEEL OVERALL
Style Designator	MULTIPLE SIZE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

4720-00-117-91578899 INTERCHANGEABLE

Hose,preformed

Austin-Westran Llc

5330-00-120-0213 INTERCHANGEABLE

Seal,plain Encased

6110-00-259-8114 INTERCHANGEABLE

Starter,motor

5975-00-284-6335 INTERCHANGEABLE

Box Connector,electrical

2090-00-474-7410 INTERCHANGEABLE

Ladder,boarding,nautical

5310-00-680-5977 INTERCHANGEABLE

Washer,finishing

3610-01-025-40677812/MODEL 14-7 INTERCHANGEABLE

Processing Machine,lithographic

Horizons Incorporated Div Imaging Systems Group

4240-01-063-5640ANSI Z87.1, 5.250 X 4.500 SHD 10 INTERCHANGEABLE

Lens,helmet,welder's

American National Standards Institute Incorporated Dba American National Standards Institute

5998-01-081-035639-1532-001 INTERCHANGEABLE

Circuit Card Assembly

Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc

4820-01-092-82168903 INTERCHANGEABLE

Parts Kit,ball Valve

Akron Brass Company

Cross-Reference Index

Part Number	Manufacturer
340402-18	Liquid Air Corp Industrial Gases Div (USA)
7810	Rego Co a Marmon Group Co (USA)
7810	Liquid Air Corp Industrial Gases Div (USA)

Related Parts

4720-00-117-9157INTERCHANGEABLE

HOSE,PREFORMED

8899

5330-00-120-0213INTERCHANGEABLE

SEAL,PLAIN ENCASED

6110-00-259-8114INTERCHANGEABLE

STARTER,MOTOR

5975-00-284-6335INTERCHANGEABLE

BOX CONNECTOR,ELECTRICAL

2090-00-474-7410INTERCHANGEABLE

LADDER,BOARDING,NAUTICAL

5310-00-680-5977INTERCHANGEABLE

WASHER,FINISHING

3610-01-025-4067INTERCHANGEABLE

PROCESSING MACHINE,LITHOGRAPHIC

7812/MODEL 14-7

4240-01-063-5640INTERCHANGEABLE

LENS,HELMET,WELDER'S

ANSI Z87.1, 5.250 X 4.500 SHD 10

5998-01-081-0356INTERCHANGEABLE

CIRCUIT CARD ASSEMBLY

39-1532-001

4820-01-092-8216INTERCHANGEABLE

PARTS KIT,BALL VALVE

8903

5355-01-128-0757INTERCHANGEABLE

DIAL

7810

5340-01-315-0073INTERCHANGEABLE

HARDWARE KIT,ELECTRONIC EQUIPMEN

805KIT

Frequently Asked Questions

What is NSN 5120-00-391-1218?

NSN 5120-00-391-1218 is a Wrench,box and Open End,combinat, manufactured by Liquid Air Corp Industrial Gases Div, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-391-1218?

NSN 5120-00-391-1218 has 3 cross-referenced part numbers: 340402-18 (Liquid Air Corp Industrial Gases Div), 7810 (Rego Co a Marmon Group Co), 7810 (Liquid Air Corp Industrial Gases Div).

What NSN replaces 5120-00-391-1218?

There are 12 known substitutes for 5120-00-391-1218: 4720-00-117-9157, 5330-00-120-0213, 6110-00-259-8114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 340402-18?

Key specifications for 340402-18: Special Features: 7 WAY WRENCH FOR MACHINE CUTTING TORCH; Material: STEEL OVERALL; Style Designator: MULTIPLE SIZE; Overall Length: 10.000 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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