PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

12600127-023Screw,cap,hexagon Head

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5305-01-677-0931 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-677-0931 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-677-0931. Primary manufacturer part number: 12600127-023.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 220.0 MILLIMETERS NOMINAL MM
  • Thread Length: 49.0 MILLIMETERS NOMINAL MM
  • Width Between Flats: 18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM MM
  • External Thread Tolerance Class: 6G G
  • Head Style: HEXAGON
  • Thread Pitch in Millimeters: 1.75
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 10.9 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-677-0931, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-677-0931
Primary Part Number12600127-023
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread DirectionRIGHT-HAND
Fastener Length220.0 MILLIMETERS NOMINAL MM
Thread Length49.0 MILLIMETERS NOMINAL MM
Width Between Flats18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM MM
External Thread Tolerance Class6G G
Head StyleHEXAGON
Thread Pitch in Millimeters1.75
Nominal Thread Diameter12.0 MILLIMETERS MM
Head Height7.32 MILLIMETERS MINIMUM AND 7.68 MILLIMETERS MAXIMUM MM
MaterialSTEEL PROPERTY CLASS 10.9 OVERALL
Thread Series DesignatorM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
5305-01-651-286612419954-134 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-651-47453836188010 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5305-01-651-98473836188005 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5305-01-652-13013836188013 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5305-01-652-267312419954-136 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-653-38703836188029 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5305-01-658-837712419954-131 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-666-326812419954-132 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-669-345640726 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Div Oshk
5305-01-670-747612600127-006 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
12600127-023 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12600127-023 Oshkosh Defense Llc (USA)
3836188 Oshkosh Defense Llc (USA)
3836188023 Oshkosh Defense Llc (USA)
Related Parts
5305-01-651-2866INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12419954-134
5305-01-651-4745INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3836188010
5305-01-651-9847INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3836188005
5305-01-652-1301INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3836188013
5305-01-652-2673INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12419954-136
5305-01-653-3870INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3836188029
5305-01-658-8377INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12419954-131
5305-01-666-3268INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12419954-132
5305-01-669-3456INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
40726
5305-01-670-7476INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12600127-006
5305-01-672-5128INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3836188001
5305-01-677-0923INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12600127

Frequently Asked Questions

What is NSN 5305-01-677-0931?

NSN 5305-01-677-0931 is a Screw,cap,hexagon Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-677-0931?

NSN 5305-01-677-0931 has 4 cross-referenced part numbers: 12600127-023 (U S Army Tank Automotive Command Amsta-Im-Mm), 12600127-023 (Oshkosh Defense Llc), 3836188 (Oshkosh Defense Llc), 3836188023 (Oshkosh Defense Llc).

What NSN replaces 5305-01-677-0931?

There are 12 known substitutes for 5305-01-677-0931: 5305-01-651-2866, 5305-01-651-4745, 5305-01-651-9847 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12600127-023?

Key specifications for 12600127-023: Thread Direction: RIGHT-HAND; Fastener Length: 220.0 MILLIMETERS NOMINAL MM; Thread Length: 49.0 MILLIMETERS NOMINAL MM; Width Between Flats: 18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM MM. 14 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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