PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SN440-4Nut,plain,clinch

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-950-8267 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-950-8267 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-950-8267. Primary manufacturer part number: SN440-4.
Features
  • Nut,plain,clinch — FSC 5310
  • Pilot Length: 0.054 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.112 INCHES IN
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,clinch, cataloged under National Stock Number 5310-00-950-8267, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-950-8267
Primary Part NumberSN440-4
Item NameNut,plain,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
Pilot Length0.054 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.112 INCHES IN
Thread Quantity Per Inch40
Nut Height0.136 INCHES NOMINAL IN
Nut Diameter0.236 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut StyleCLINCH
Pilot Diameter0.160 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-059-8905671 INTERCHANGEABLE
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5905-00-101-2769L50J5R0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5210-00-181-167711155206 INTERCHANGEABLE
Attachment,indicato
Us Army Aviation and Missile Command
3040-00-223-8073671 INTERCHANGEABLE
Breather
Protectoseal Co Container Div
5120-00-240-52325120-00-240-5232 INTERCHANGEABLE
Screwdriver,offset
General Services Administration Federal Supply Service
5325-00-276-4945 INTERCHANGEABLE
Cap,snap Fastener
5340-00-370-9679 INTERCHANGEABLE
Deflector,dirt and Liquid
2520-00-447-9584671 INTERCHANGEABLE
Breather
Protectoseal Co Container Div
4910-00-473-7550 INTERCHANGEABLE
Sling,final Drive
5999-00-679-3939671 INTERCHANGEABLE
Delay Line
Micro Networks Corporation
Cross-Reference Index
Part NumberManufacturer
203626671 Superior Tool and Die Co (USA)
10557422-2 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
SN440-4 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
477615-6 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
671 Kaypro Corp (USA)
5310009508267 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
6625-00-059-8905INTERCHANGEABLE
LEAD,TEST
671
5905-00-101-2769INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
L50J5R0
5210-00-181-1677INTERCHANGEABLE
ATTACHMENT,INDICATO
11155206
3040-00-223-8073INTERCHANGEABLE
BREATHER
671
5120-00-240-5232INTERCHANGEABLE
SCREWDRIVER,OFFSET
5120-00-240-5232
5325-00-276-4945INTERCHANGEABLE
CAP,SNAP FASTENER
5340-00-370-9679INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
2520-00-447-9584INTERCHANGEABLE
BREATHER
671
4910-00-473-7550INTERCHANGEABLE
SLING,FINAL DRIVE
5999-00-679-3939INTERCHANGEABLE
DELAY LINE
671
2835-00-870-9916INTERCHANGEABLE
VENT PLATE
671
5330-01-124-6410INTERCHANGEABLE
GASKET
671

Frequently Asked Questions

What is NSN 5310-00-950-8267?

NSN 5310-00-950-8267 is a Nut,plain,clinch, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-950-8267?

NSN 5310-00-950-8267 has 6 cross-referenced part numbers: 203626671 (Superior Tool and Die Co), 10557422-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), SN440-4 (Sps Technologies, Llc Dba PB Fasteners), 477615-6 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis), 671 (Kaypro Corp) and 1 more.

What NSN replaces 5310-00-950-8267?

There are 12 known substitutes for 5310-00-950-8267: 6625-00-059-8905, 5905-00-101-2769, 5210-00-181-1677 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SN440-4?

Key specifications for SN440-4: Pilot Length: 0.054 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Thread Class: 2B. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-950-8267 still in active supply?

NSN 5310-00-950-8267 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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