PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-971-1Screw,machine

Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc · NSN 5305-01-210-1645 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-210-1645 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-210-1645. Primary manufacturer part number: C-971-1.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Head Style: FILLISTER
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Length: 0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
  • Head Height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-210-1645, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5305-01-210-1645
Primary Part NumberC-971-1
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Length0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Head Height0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
Fastener Length0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 303 OR STEEL COMP 305
Nominal Thread Diameter0.125 INCHES IN
Head Diameter0.187 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2010-00-547-12693293349 INTERCHANGEABLE
Rotary Joint
Naval Ship Systems Command
3120-01-703-3819C9-71-1 INTERCHANGEABLE
Bearing,washer,thrust
Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
Part NumberManufacturer
2BH873 Oshkosh Defense Llc (USA)
2BH873 Oshkosh Corp (USA)
C-971-1 PRIMARY Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc (USA)
Related Parts
2010-00-547-1269INTERCHANGEABLE
ROTARY JOINT
3293349
3120-01-703-3819INTERCHANGEABLE
BEARING,WASHER,THRUST
C9-71-1

Frequently Asked Questions

What is NSN 5305-01-210-1645?

NSN 5305-01-210-1645 is a Screw,machine, manufactured by Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-210-1645?

NSN 5305-01-210-1645 has 3 cross-referenced part numbers: 2BH873 (Oshkosh Defense Llc), 2BH873 (Oshkosh Corp), C-971-1 (Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc).

What NSN replaces 5305-01-210-1645?

There are 2 known substitutes for 5305-01-210-1645: 2010-00-547-1269, 3120-01-703-3819. Verify interchangeability with system specifications before substitution.

What are the specifications of C-971-1?

Key specifications for C-971-1: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; End Item Identification: 2320010970260 HEMTT HEAVY EXPANDED MOBILITY TACTICAL TRK; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS; MRAP - M-ATV UI; Head Style: FILLISTER. 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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