PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49SP018Spring Assembly,leaf

Maremont Corp · NSN 2510-00-773-5525 · FSC 2510 · No Item Name Available
Verified by PartsTable
NSN 2510-00-773-5525 — this item is cataloged by the U.S. Government under National Stock Number 2510-00-773-5525. Primary manufacturer part number: 49SP018.
Features
  • Spring Assembly,leaf — FSC 2510
  • Material Document and Classification: QQ-S-624,AMEND 2-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 9260 OVERALL
  • Spring Length Under Load: 51.875 INCHES MINIMUM AND 52.125 INCHES MAXIMUM IN
  • Rebound Clip Quantity: 4
  • Design Type: MAINSPRING
  • Bushing Type: PLAIN
  • Spring Deflection Rate: 580.000 POUNDS PER INCH MINIMUM AND 670.000 POUNDS PER INCH MAXIMUM LBS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 9260 Overall construction
General Description

The Spring Assembly,leaf, cataloged under National Stock Number 2510-00-773-5525, is classified within Federal Supply Class 2510 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Maremont Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2510-00-773-5525
Primary Part Number49SP018
Item NameSpring Assembly,leaf
FSC / FSG2510 / 25 — No Item Name Available
ManufacturerMaremont Corp
StatusACTIVE
Material Document and ClassificationQQ-S-624,AMEND 2-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 9260 OVERALL
Spring Length Under Load51.875 INCHES MINIMUM AND 52.125 INCHES MAXIMUM IN
Rebound Clip Quantity4
Design TypeMAINSPRING
Bushing TypePLAIN
Spring Deflection Rate580.000 POUNDS PER INCH MINIMUM AND 670.000 POUNDS PER INCH MAXIMUM LBS
Elliptic ShapeSEMI
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-142-4371432X INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5136-00-177-6986 INTERCHANGEABLE
Tap,thread Cutting
4730-01-023-265514385 INTERCHANGEABLE
Plug,pipe
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
49SP018 PRIMARY Maremont Corp (USA)
7735525 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
927754 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
14385 Marmon Group Inc the Fenestra Div /michigan (USA)
Related Parts
3110-00-142-4371INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
432X
5136-00-177-6986INTERCHANGEABLE
TAP,THREAD CUTTING
4730-01-023-2655INTERCHANGEABLE
PLUG,PIPE
14385

Frequently Asked Questions

What is NSN 2510-00-773-5525?

NSN 2510-00-773-5525 is a Spring Assembly,leaf, manufactured by Maremont Corp, classified under FSC 2510 (No Item Name Available). Status: active.

What are the part numbers for NSN 2510-00-773-5525?

NSN 2510-00-773-5525 has 4 cross-referenced part numbers: 49SP018 (Maremont Corp), 7735525 (U S Army Tank Automotive Command Amsta-Im-Mm), 927754 (Chrysler Realty Company Llc Dba Daimler Chrysler), 14385 (Marmon Group Inc the Fenestra Div /michigan).

What NSN replaces 2510-00-773-5525?

There are 3 known substitutes for 2510-00-773-5525: 3110-00-142-4371, 5136-00-177-6986, 4730-01-023-2655. Verify interchangeability with system specifications before substitution.

What are the specifications of 49SP018?

Key specifications for 49SP018: Material Document and Classification: QQ-S-624,AMEND 2-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 9260 OVERALL; Spring Length Under Load: 51.875 INCHES MINIMUM AND 52.125 INCHES MAXIMUM IN; Rebound Clip Quantity: 4. 8 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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