PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2561Nut,stamped

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5310-00-034-8651 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-034-8651 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-034-8651. Primary manufacturer part number: 2561.
Features
  • Nut,stamped — FSC 5310
  • Mating Member Diameter Accommodated: 0.375 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Width Across Flats: 0.563 INCHES NOMINAL IN
  • Nut Height: 0.139 INCHES NOMINAL IN
  • Nut Style: STAMPED
  • Material: STEEL OVERALL
  • Gripping Notch Quantity: 9
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,stamped, cataloged under National Stock Number 5310-00-034-8651, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 7 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-034-8651
Primary Part Number2561
Item NameNut,stamped
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusACTIVE
Mating Member Diameter Accommodated0.375 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Width Across Flats0.563 INCHES NOMINAL IN
Nut Height0.139 INCHES NOMINAL IN
Nut StyleSTAMPED
MaterialSTEEL OVERALL
Gripping Notch Quantity9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-7823 INTERCHANGEABLE
Nut,stamped
5325-00-080-3487 INTERCHANGEABLE
Grommet,nonmetallic
6220-00-115-50400256001WHT INTERCHANGEABLE
Lens,light
Perko Inc
5915-00-201-7090 INTERCHANGEABLE
Filter,low Pass
5325-00-276-605112608653 INTERCHANGEABLE
Grommet,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-625-43422561 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
2520-00-709-58975331800 INTERCHANGEABLE
Gage,oil Pressure,t
U S Army Tank Automotive Command Amsta-Im-Mm
5895-01-097-3243 INTERCHANGEABLE
Controller,disk Dri
5325-01-142-32092561 INTERCHANGEABLE
Grommet,nonmetallic
Dcm Manufacturing, Inc.
5310-01-373-2320 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
2561 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
5310-00-010-7823INTERCHANGEABLE
NUT,STAMPED
5325-00-080-3487INTERCHANGEABLE
GROMMET,NONMETALLIC
6220-00-115-5040INTERCHANGEABLE
LENS,LIGHT
0256001WHT
5915-00-201-7090INTERCHANGEABLE
FILTER,LOW PASS
5325-00-276-6051INTERCHANGEABLE
GROMMET,NONMETALLIC
12608653
5330-00-625-4342INTERCHANGEABLE
GASKET
2561
2520-00-709-5897INTERCHANGEABLE
GAGE,OIL PRESSURE,T
5331800
5895-01-097-3243INTERCHANGEABLE
CONTROLLER,DISK DRI
5325-01-142-3209INTERCHANGEABLE
GROMMET,NONMETALLIC
2561
5310-01-373-2320INTERCHANGEABLE
WASHER,FLAT
5330-01-417-6477INTERCHANGEABLE
GASKET
2561L
5140-01-442-0991INTERCHANGEABLE
CASE,TOOL AND ACCESSORIES
2561

Frequently Asked Questions

What is NSN 5310-00-034-8651?

NSN 5310-00-034-8651 is a Nut,stamped, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-034-8651?

NSN 5310-00-034-8651 has 1 cross-referenced part number: 2561 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 5310-00-034-8651?

There are 12 known substitutes for 5310-00-034-8651: 5310-00-010-7823, 5325-00-080-3487, 6220-00-115-5040 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2561?

Key specifications for 2561: Mating Member Diameter Accommodated: 0.375 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Width Across Flats: 0.563 INCHES NOMINAL IN; Nut Height: 0.139 INCHES NOMINAL IN. 7 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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