PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D7448-4Block,button,detent

Marvin Engineering Co, Inc · NSN 4935-00-570-2077 · FSC 4935 · No Item Name Available
Verified by PartsTable
NSN 4935-00-570-2077 — this item is cataloged by the U.S. Government under National Stock Number 4935-00-570-2077. Primary manufacturer part number: D7448-4.
Features
  • Block,button,detent — FSC 4935
  • General Characteristics Item Description: STAINLESS STEEL,PASSIVATE,3.250 IN. L X 1.375 IN. W IN
  • 4 verified cross-references
  • Primary manufacturer: Marvin Engineering Co, Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Block,button,detent, cataloged under National Stock Number 4935-00-570-2077, is classified within Federal Supply Class 4935 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Marvin Engineering Co, Inc. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4935-00-570-2077
Primary Part NumberD7448-4
Item NameBlock,button,detent
FSC / FSG4935 / 49 — No Item Name Available
ManufacturerMarvin Engineering Co, Inc
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL,PASSIVATE,3.250 IN. L X 1.375 IN. W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-081-9736D74484 INTERCHANGEABLE
Locking Plate,nut and Bolt
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
D7448-4 Technipower Llc Dba Unipower (USA)
D7448-4 PRIMARY Marvin Engineering Co, Inc (USA)
D7448-4 Alek Industries Inc (USA)
D7448-4 Maeco (USA)
Related Parts
5340-01-081-9736INTERCHANGEABLE
LOCKING PLATE,NUT AND BOLT
D74484

Frequently Asked Questions

What is NSN 4935-00-570-2077?

NSN 4935-00-570-2077 is a Block,button,detent, manufactured by Marvin Engineering Co, Inc, classified under FSC 4935 (No Item Name Available). Status: active.

What are the part numbers for NSN 4935-00-570-2077?

NSN 4935-00-570-2077 has 4 cross-referenced part numbers: D7448-4 (Technipower Llc Dba Unipower), D7448-4 (Marvin Engineering Co, Inc), D7448-4 (Alek Industries Inc), D7448-4 (Maeco).

What NSN replaces 4935-00-570-2077?

There is 1 known substitute for 4935-00-570-2077: 5340-01-081-9736. Verify interchangeability with system specifications before substitution.

What are the specifications of D7448-4?

Key specifications for D7448-4: General Characteristics Item Description: STAINLESS STEEL,PASSIVATE,3.250 IN. L X 1.375 IN. W IN; End Item Identification: DETENT TESTER 4935-00-021-9808-AB. 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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