PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16T2973Nut,plain,hexagon

Chief of Engineers Dept of Army · NSN 5310-00-220-6668 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-220-6668 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-220-6668. Primary manufacturer part number: 16T2973.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 1.437 INCHES NOMINAL IN
  • Thread Series: UNS
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 14
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-220-6668, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chief of Engineers Dept of Army. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5310-00-220-6668
Primary Part Number16T2973
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusACTIVE
Thread Class3B
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Across Flats1.437 INCHES NOMINAL IN
Thread SeriesUNS
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch14
Nominal Thread Size1.000 INCHES IN
MaterialSTEEL OVERALL
Nut Height0.500 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-06011191868 INTERCHANGEABLE
Cup,tapered Roller Bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3040-00-409-6463 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
5360-00-467-6902 INTERCHANGEABLE
Spring
5999-00-493-6000417036-6 INTERCHANGEABLE
Wire Mesh,knitted
Raytheon Company Dba Raytheon
5305-00-947-9796 INTERCHANGEABLE
Setscrew
5835-01-050-7882 INTERCHANGEABLE
Head,magnetic
3413-01-146-5125 INTERCHANGEABLE
Clamp,holddown,dril
5310-01-159-279711167 INTERCHANGEABLE
Washer,lock
Dana Commercial Vehicle Products, Llc
1630-01-173-572311167 INTERCHANGEABLE
Plate,valve,brake
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-01-200-222815861-P INCONELL625 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
2BT58 Oshkosh Defense Llc (USA)
1-1167 Terex Usa, Llc Dba Terex Equipment Services (USA)
204000N Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
16T2973 PRIMARY Chief of Engineers Dept of Army (USA)
204000 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
Related Parts
3110-00-100-0601INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1191868
3040-00-409-6463INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
5360-00-467-6902INTERCHANGEABLE
SPRING
5999-00-493-6000INTERCHANGEABLE
WIRE MESH,KNITTED
417036-6
5305-00-947-9796INTERCHANGEABLE
SETSCREW
5835-01-050-7882INTERCHANGEABLE
HEAD,MAGNETIC
3413-01-146-5125INTERCHANGEABLE
CLAMP,HOLDDOWN,DRIL
5310-01-159-2797INTERCHANGEABLE
WASHER,LOCK
11167
1630-01-173-5723INTERCHANGEABLE
PLATE,VALVE,BRAKE
11167
4320-01-200-2228INTERCHANGEABLE
RING,WEARING
15861-P INCONELL625
4910-01-239-0022INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
204000
6680-01-268-9323INTERCHANGEABLE
METER,FLOW RATE INDICATING

Frequently Asked Questions

What is NSN 5310-00-220-6668?

NSN 5310-00-220-6668 is a Nut,plain,hexagon, manufactured by Chief of Engineers Dept of Army, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-220-6668?

NSN 5310-00-220-6668 has 5 cross-referenced part numbers: 2BT58 (Oshkosh Defense Llc), 1-1167 (Terex Usa, Llc Dba Terex Equipment Services), 204000N (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 16T2973 (Chief of Engineers Dept of Army), 204000 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).

What NSN replaces 5310-00-220-6668?

There are 12 known substitutes for 5310-00-220-6668: 3110-00-100-0601, 3040-00-409-6463, 5360-00-467-6902 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16T2973?

Key specifications for 16T2973: Thread Class: 3B; Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Width Across Flats: 1.437 INCHES NOMINAL IN. 11 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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