PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4481Nut,sleeve

Avox Systems Inc Dba Avox Systems Inc · NSN 5310-00-637-1329 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-637-1329 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-637-1329. Primary manufacturer part number: 4481.
Features
  • Nut,sleeve — FSC 5310
  • Cross-Sectional Shape: ROUND NUT
  • Nut Style: SLEEVE
  • Nominal Thread Size: 0.164 INCHES IN
  • Cross-Sectional Shape: HEXAGONAL FLANGE
  • Thread Direction: RIGHT-HAND
  • Flange Width Across Flats: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2011 or Aluminum Alloy 2024 Overall construction
General Description

The Nut,sleeve, cataloged under National Stock Number 5310-00-637-1329, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 14 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
NSN5310-00-637-1329
Primary Part Number4481
Item NameNut,sleeve
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Cross-Sectional ShapeROUND NUT
Nut StyleSLEEVE
Nominal Thread Size0.164 INCHES IN
Cross-Sectional ShapeHEXAGONAL FLANGE
Thread DirectionRIGHT-HAND
Flange Width Across Flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
Thread Class2B
Nut Diameter0.250 INCHES NOMINAL IN
Flange Thickness0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-225/3,TEMPER T3 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,TEMPER T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Nut Length0.125 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-036-360450265 INTERCHANGEABLE
Pump,fuel
Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
6550-00-109-2353B4141-10 INTERCHANGEABLE
Blood Cell Staining Kit
Cardinal Health 200, Llc
5905-00-128-6274 INTERCHANGEABLE
Resistor,variable,wire Wound,non
8345-00-245-7798 INTERCHANGEABLE
Plate,automobile,individual
8345-00-245-7806 INTERCHANGEABLE
Plate,automobile,individual
8345-00-245-7811 INTERCHANGEABLE
Plate,automobile,individual
8345-00-245-7816 INTERCHANGEABLE
Plate,automobile,individual
2040-00-391-4461 INTERCHANGEABLE
Lever
6760-00-397-9729 INTERCHANGEABLE
Adapter,tripod Photographic
4140-00-817-5781 INTERCHANGEABLE
Fan,tubeaxial
Cross-Reference Index
Part NumberManufacturer
4481 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
4320-00-036-3604INTERCHANGEABLE
PUMP,FUEL
50265
6550-00-109-2353INTERCHANGEABLE
BLOOD CELL STAINING KIT
B4141-10
5905-00-128-6274INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
8345-00-245-7798INTERCHANGEABLE
PLATE,AUTOMOBILE,INDIVIDUAL
8345-00-245-7806INTERCHANGEABLE
PLATE,AUTOMOBILE,INDIVIDUAL
8345-00-245-7811INTERCHANGEABLE
PLATE,AUTOMOBILE,INDIVIDUAL
8345-00-245-7816INTERCHANGEABLE
PLATE,AUTOMOBILE,INDIVIDUAL
2040-00-391-4461INTERCHANGEABLE
LEVER
6760-00-397-9729INTERCHANGEABLE
ADAPTER,TRIPOD PHOTOGRAPHIC
4140-00-817-5781INTERCHANGEABLE
FAN,TUBEAXIAL
4720-00-844-7365INTERCHANGEABLE
HOSE,NONMETALLIC
27230
5998-00-968-5506INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5310-00-637-1329?

NSN 5310-00-637-1329 is a Nut,sleeve, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-637-1329?

NSN 5310-00-637-1329 has 1 cross-referenced part number: 4481 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 5310-00-637-1329?

There are 12 known substitutes for 5310-00-637-1329: 4320-00-036-3604, 6550-00-109-2353, 5905-00-128-6274 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4481?

Key specifications for 4481: Cross-Sectional Shape: ROUND NUT; Nut Style: SLEEVE; Nominal Thread Size: 0.164 INCHES IN; Cross-Sectional Shape: HEXAGONAL FLANGE. 14 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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