PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A15621Nut,plain,cap

Falls Filtration Technologies, Inc. · NSN 5310-00-608-1053 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-608-1053 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-608-1053. Primary manufacturer part number: A15621.
Features
  • Nut,plain,cap — FSC 5310
  • Nut Style: CAP
  • Thread Quantity Per Inch: 16
  • Bearing Surface Type: WASHER FACED
  • Width Across Flats: 0.750 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2B
  • Counterbore Diameter: 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,cap, cataloged under National Stock Number 5310-00-608-1053, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-608-1053
Primary Part NumberA15621
Item NameNut,plain,cap
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFalls Filtration Technologies, Inc.
StatusACTIVE
Nut StyleCAP
Thread Quantity Per Inch16
Bearing Surface TypeWASHER FACED
Width Across Flats0.750 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Class2B
Counterbore Diameter0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT IN
MaterialSTEEL OVERALL
Nut Counterbore Depth0.083 INCHES MINIMUM AND 0.094 INCHES MAXIMUM NUT IN
Nut Height0.751 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
Nominal Thread Size0.375 INCHES IN
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-226-30331562-1 INTERCHANGEABLE
Washer
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
4820-01-237-6906A-15621 INTERCHANGEABLE
Valve,check
Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co
Cross-Reference Index
Part NumberManufacturer
A15621 Dana Off Highway Products, Llc (USA)
10947924 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
A15621 PRIMARY Falls Filtration Technologies, Inc. (USA)
A15621 Vme Americas Inc Sub of Vme Group N V (USA)
A15621 Satair A/s (DNK)
Related Parts
5310-01-226-3033INTERCHANGEABLE
WASHER
1562-1
4820-01-237-6906INTERCHANGEABLE
VALVE,CHECK
A-15621

Frequently Asked Questions

What is NSN 5310-00-608-1053?

NSN 5310-00-608-1053 is a Nut,plain,cap, manufactured by Falls Filtration Technologies, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-608-1053?

NSN 5310-00-608-1053 has 5 cross-referenced part numbers: A15621 (Dana Off Highway Products, Llc), 10947924 (U S Army Tank Automotive Command Amsta-Im-Mm), A15621 (Falls Filtration Technologies, Inc.), A15621 (Vme Americas Inc Sub of Vme Group N V), A15621 (Satair A/s).

What NSN replaces 5310-00-608-1053?

There are 2 known substitutes for 5310-00-608-1053: 5310-01-226-3033, 4820-01-237-6906. Verify interchangeability with system specifications before substitution.

What are the specifications of A15621?

Key specifications for A15621: Nut Style: CAP; Thread Quantity Per Inch: 16; Bearing Surface Type: WASHER FACED; Width Across Flats: 0.750 INCHES NOMINAL IN. 13 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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