PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

208-16Nut,plain,hexagon

Lenz Inc Dba the Lenz Company · NSN 5310-00-208-7128 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-7128 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-7128. Primary manufacturer part number: 208-16.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
  • Bearing Surface Type: CHAMFERED
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Thread Series: UNF
  • Thread Quantity Per Inch: 12
  • Nominal Thread Size: 1.500 INCHES IN
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1211 or Steel Comp 1212 or Steel Comp 1213 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-208-7128, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lenz Inc Dba the Lenz Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-7128
Primary Part Number208-16
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLenz Inc Dba the Lenz Company
StatusACTIVE
Nut Height0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Bearing Surface TypeCHAMFERED
Bearing Surface Finish125.0 MICROINCHES
Thread SeriesUNF
Thread Quantity Per Inch12
Nominal Thread Size1.500 INCHES IN
Nut StyleHEXAGON
Thread Class2B
MaterialSTEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1213 OVERALL
Material Document and ClassificationASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 8TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 9TH MATERIAL RESPONSE OR QQ-S-637 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-637 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-637 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-637 FED SPEC 15TH MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OR ZINC AND CHROMATE OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5920-00-242-2654 INTERCHANGEABLE
Fuseholder,block
2520-00-774-376720816 INTERCHANGEABLE
Sleeve,tachometer D
Napco International Llc Dba Napco International Inc
5340-01-241-074520816 INTERCHANGEABLE
Clamp,synchro
Twg Canada Consolidated Inc
6520-01-315-370520816 INTERCHANGEABLE
Light Shield,dental
Demetron Research Corp
4730-01-364-1010208-16 INTERCHANGEABLE
Cap,tube
Transdigm Inc Div Adelwiggins Group
5340-01-435-953120816 INTERCHANGEABLE
Retainer,rod End Locking
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
6150-01-593-283920816 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
208-16 PRIMARY Lenz Inc Dba the Lenz Company (USA)
8693958 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5920-00-242-2654INTERCHANGEABLE
FUSEHOLDER,BLOCK
2520-00-774-3767INTERCHANGEABLE
SLEEVE,TACHOMETER D
20816
5340-01-241-0745INTERCHANGEABLE
CLAMP,SYNCHRO
20816
6520-01-315-3705INTERCHANGEABLE
LIGHT SHIELD,DENTAL
20816
4730-01-364-1010INTERCHANGEABLE
CAP,TUBE
208-16
5340-01-435-9531INTERCHANGEABLE
RETAINER,ROD END LOCKING
20816
6150-01-593-2839INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
20816

Frequently Asked Questions

What is NSN 5310-00-208-7128?

NSN 5310-00-208-7128 is a Nut,plain,hexagon, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-7128?

NSN 5310-00-208-7128 has 2 cross-referenced part numbers: 208-16 (Lenz Inc Dba the Lenz Company), 8693958 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-208-7128?

There are 7 known substitutes for 5310-00-208-7128: 5920-00-242-2654, 2520-00-774-3767, 5340-01-241-0745 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 208-16?

Key specifications for 208-16: Nut Height: 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN; Bearing Surface Type: CHAMFERED; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNF. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com