PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21FAF616Nut,self-Locking,hexagon

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-458-2382 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-458-2382 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-458-2382. Primary manufacturer part number: 21FAF616.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Surface Treatment: CADMIUM OVERALL
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-458-2382, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-458-2382
Primary Part Number21FAF616
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
Nut StyleHEXAGON
Surface TreatmentCADMIUM OVERALL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch16
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.462 INCHES MAXIMUM IN
LubricationSOLUBLE LUBRICANT
Width Across Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
7810-00-271-1758BXKIT-1 INTERCHANGEABLE
Boxing Kit
F & M Micro Products Inc
8105-00-281-1163100005 INTERCHANGEABLE
Bag,paper
American Packaging I, Inc.
4910-00-449-6571 INTERCHANGEABLE
Chain Anchor
5120-00-928-4127B-764 INTERCHANGEABLE
Blade,socket Head Screw Key
Bristol, Inc. Dba Remote Automation Solutions Div Remote Automation Solutions
4930-00-938-046180009 INTERCHANGEABLE
Jack
Atwood Industries Inc Automotive Div
4320-01-167-6301 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
5930-01-391-126380009 INTERCHANGEABLE
Switch,sensitive
Alliance Laundry Systems Llc
5306-01-527-838380009 INTERCHANGEABLE
Bolt,finned Neck
Hutchinson Industries, Inc Div Defense and Industry
4110-01-689-855180009 INTERCHANGEABLE
Refrigerator,solid State,biologi
Peli Biothermal Llc Div Biothermal Division of Pelican Products Inc.
Cross-Reference Index
Part NumberManufacturer
85D6 Clark Equipment Co (USA)
FF9237-06S Danfoss Power Solutions II, Llc (USA)
80009 Federal Screw Products, Inc. (USA)
23FAF-616 Sps Technologies, Llc Dba PB Fasteners (USA)
21FAF616 3-8 16UNC-2B Sps Technologies, Llc Dba PB Fasteners (USA)
80009 ADX Airdale Express Llc Div Airdale Express (USA)
21FAF616 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
5310PL0637476 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
7810-00-271-1758INTERCHANGEABLE
BOXING KIT
BXKIT-1
8105-00-281-1163INTERCHANGEABLE
BAG,PAPER
100005
4910-00-449-6571INTERCHANGEABLE
CHAIN ANCHOR
5120-00-928-4127INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
B-764
4930-00-938-0461INTERCHANGEABLE
JACK
80009
4320-01-167-6301INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
5930-01-391-1263INTERCHANGEABLE
SWITCH,SENSITIVE
80009
5306-01-527-8383INTERCHANGEABLE
BOLT,FINNED NECK
80009
4110-01-689-8551INTERCHANGEABLE
REFRIGERATOR,SOLID STATE,BIOLOGI
80009

Frequently Asked Questions

What is NSN 5310-00-458-2382?

NSN 5310-00-458-2382 is a Nut,self-Locking,hexagon, 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 5310-00-458-2382?

NSN 5310-00-458-2382 has 8 cross-referenced part numbers: 85D6 (Clark Equipment Co), FF9237-06S (Danfoss Power Solutions II, Llc), 80009 (Federal Screw Products, Inc.), 23FAF-616 (Sps Technologies, Llc Dba PB Fasteners), 21FAF616 3-8 16UNC-2B (Sps Technologies, Llc Dba PB Fasteners) and 3 more.

What NSN replaces 5310-00-458-2382?

There are 9 known substitutes for 5310-00-458-2382: 7810-00-271-1758, 8105-00-281-1163, 4910-00-449-6571 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21FAF616?

Key specifications for 21FAF616: Nut Style: HEXAGON; Surface Treatment: CADMIUM OVERALL; End Item Identification: W/S:OLIVER PERRY CLASS FFG; KIDD CLASS DDG, ENGINE, AIRCRAFT F110-GE-400; TICONDEROGA CLASS CG (47); SPRUANCE CLASS DD (963); TRUCK, CARGO, DROPSIDE 2 1/2-TON 6X6 W/E; HELICOPTER, MH-53E; SUPPLY CLASS AOE; AIRCRAFT, T-39; FANS; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-458-2382 still in active supply?

NSN 5310-00-458-2382 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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