PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-120Bag,ladder

Firesearch Corporation Dba Fire Research Corporation · NSN 4240-01-138-3088 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-138-3088 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-138-3088. Primary manufacturer part number: R-120.
Features
  • Bag,ladder — FSC 4240
  • General Characteristics Item Description: NYLON AND FOAM; ADJUSTABLE STRAPS; INSIDE DIM.,11.500 IN. W,22.000 IN. H,8.000 IN. DP IN
  • 1 verified cross-reference
  • Primary manufacturer: Firesearch Corporation Dba Fire Research Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bag,ladder, cataloged under National Stock Number 4240-01-138-3088, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Firesearch Corporation Dba Fire Research Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-138-3088
Primary Part NumberR-120
Item NameBag,ladder
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerFiresearch Corporation Dba Fire Research Corporation
StatusACTIVE
General Characteristics Item DescriptionNYLON AND FOAM; ADJUSTABLE STRAPS; INSIDE DIM.,11.500 IN. W,22.000 IN. H,8.000 IN. DP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-155-733872-6970-725 INTERCHANGEABLE
Bearing,roller,cylindrical
Fairbanks Morse, Llc
2910-00-353-6554 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
2530-00-495-8640F4600 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5305-00-498-8255 INTERCHANGEABLE
Screw,machine
5110-01-437-2194R120 INTERCHANGEABLE
Reamer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5963-01-710-7394R120 INTERCHANGEABLE
Regulator,voltage
Leroy-Somer Inc
Cross-Reference Index
Part NumberManufacturer
R-120 PRIMARY Firesearch Corporation Dba Fire Research Corporation (USA)
Related Parts
3110-00-155-7338INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
72-6970-725
2910-00-353-6554INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
2530-00-495-8640INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
F4600
5305-00-498-8255INTERCHANGEABLE
SCREW,MACHINE
5110-01-437-2194INTERCHANGEABLE
REAMER,HAND
R120
5963-01-710-7394INTERCHANGEABLE
REGULATOR,VOLTAGE
R120

Frequently Asked Questions

What is NSN 4240-01-138-3088?

NSN 4240-01-138-3088 is a Bag,ladder, manufactured by Firesearch Corporation Dba Fire Research Corporation, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-138-3088?

NSN 4240-01-138-3088 has 1 cross-referenced part number: R-120 (Firesearch Corporation Dba Fire Research Corporation).

What NSN replaces 4240-01-138-3088?

There are 6 known substitutes for 4240-01-138-3088: 3110-00-155-7338, 2910-00-353-6554, 2530-00-495-8640 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-120?

Key specifications for R-120: General Characteristics Item Description: NYLON AND FOAM; ADJUSTABLE STRAPS; INSIDE DIM.,11.500 IN. W,22.000 IN. H,8.000 IN. DP IN. 1 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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