PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74003Shock Absorber

Tenneco Inc · NSN 2540-01-234-6557 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-234-6557 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-234-6557. Primary manufacturer part number: 74003.
Features
  • Shock Absorber — FSC 2540
  • FSC Application Data: USE ON TRUCK,FIRE FIGHTING,BRUSH AND PUMPER,NSN 4210-01-193-3621
  • General Characteristics Item Description: MATERIAL STEEL,MIL-I-45208A;SHOCKABSORBER BORE LG 1.750 IN.;O/A OD 3.250 IN.;O/A ID 2.730 IN.;COMPRESSED LG 16.69 IN.NOM;EXTENDED LG 26.690 IN. N OM;O/A TRAVEL LG 10.000 IN. NOM A
  • 2 verified cross-references
  • Primary manufacturer: Tenneco Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shock Absorber, cataloged under National Stock Number 2540-01-234-6557, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Tenneco Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-01-234-6557
Primary Part Number74003
Item NameShock Absorber
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerTenneco Inc
StatusACTIVE
FSC Application DataUSE ON TRUCK,FIRE FIGHTING,BRUSH AND PUMPER,NSN 4210-01-193-3621
General Characteristics Item DescriptionMATERIAL STEEL,MIL-I-45208A;SHOCKABSORBER BORE LG 1.750 IN.;O/A OD 3.250 IN.;O/A ID 2.730 IN.;COMPRESSED LG 16.69 IN.NOM;EXTENDED LG 26.690 IN. N OM;O/A TRAVEL LG 10.000 IN. NOM A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5815-00-127-203174003 INTERCHANGEABLE
Plate,mounting
Lucent Technologies Inc Corporate Headquarters
5120-00-293-2219 INTERCHANGEABLE
Key,socket Head Screw
2915-00-793-239474003 INTERCHANGEABLE
Retainer,seal
Triumph Engine Control Systems Llc
6645-00-953-2492 INTERCHANGEABLE
Timer,interval
5930-01-128-542574003 INTERCHANGEABLE
Switch,electrical
Getinge Usa Inc
5120-01-218-5833B-3 INTERCHANGEABLE
Bender,electrical Conduit,hand
Egs Electrical Group Appleton Div
6680-01-436-0588MA207-22875 INTERCHANGEABLE
Indicator,sight,liquid
Am General Llc
5120-01-482-401074003 INTERCHANGEABLE
Wrench,box
Daniels Manufacturing Corporation
7690-01-616-4062800678 INTERCHANGEABLE
Label
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
310423 Amertek Inc (CAN)
74003 PRIMARY Tenneco Inc (USA)
Related Parts
5815-00-127-2031INTERCHANGEABLE
PLATE,MOUNTING
74003
5120-00-293-2219INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
2915-00-793-2394INTERCHANGEABLE
RETAINER,SEAL
74003
6645-00-953-2492INTERCHANGEABLE
TIMER,INTERVAL
5930-01-128-5425INTERCHANGEABLE
SWITCH,ELECTRICAL
74003
5120-01-218-5833INTERCHANGEABLE
BENDER,ELECTRICAL CONDUIT,HAND
B-3
6680-01-436-0588INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
MA207-22875
5120-01-482-4010INTERCHANGEABLE
WRENCH,BOX
74003
7690-01-616-4062INTERCHANGEABLE
LABEL
800678

Frequently Asked Questions

What is NSN 2540-01-234-6557?

NSN 2540-01-234-6557 is a Shock Absorber, manufactured by Tenneco Inc, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-234-6557?

NSN 2540-01-234-6557 has 2 cross-referenced part numbers: 310423 (Amertek Inc), 74003 (Tenneco Inc).

What NSN replaces 2540-01-234-6557?

There are 9 known substitutes for 2540-01-234-6557: 5815-00-127-2031, 5120-00-293-2219, 2915-00-793-2394 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74003?

Key specifications for 74003: FSC Application Data: USE ON TRUCK,FIRE FIGHTING,BRUSH AND PUMPER,NSN 4210-01-193-3621; General Characteristics Item Description: MATERIAL STEEL,MIL-I-45208A;SHOCKABSORBER BORE LG 1.750 IN.;O/A OD 3.250 IN.;O/A ID 2.730 IN.;COMPRESSED LG 16.69 IN.NOM;EXTENDED LG 26.690 IN. N OM;O/A TRAVEL LG 10.000 IN. NOM A. 2 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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