PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8708916Head,crowfoot Socket Wrench

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5120-00-277-3662 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-3662 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-3662. Primary manufacturer part number: 8708916.
Features
  • Head,crowfoot Socket Wrench — FSC 5120
  • Torque Capacity: 1500.0 INCH-POUNDS NOMINAL IN
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Drive Surface Size: 0.381 INCHES NOMINAL SINGLE END IN
  • Style Designator: OPEN RATCHET
  • Material: STEEL OVERALL
  • Head Thickness: 0.644 INCHES NOMINAL IN
  • Opening Width: 0.900 INCHES MINIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Head,crowfoot Socket Wrench, cataloged under National Stock Number 5120-00-277-3662, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-277-3662
Primary Part Number8708916
Item NameHead,crowfoot Socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Torque Capacity1500.0 INCH-POUNDS NOMINAL IN
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Drive Surface Size0.381 INCHES NOMINAL SINGLE END IN
Style DesignatorOPEN RATCHET
MaterialSTEEL OVERALL
Head Thickness0.644 INCHES NOMINAL IN
Opening Width0.900 INCHES MINIMUM IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0336 INTERCHANGEABLE
Cup,tapered Roller Bearing
5120-00-222-7975 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-277-36618708915 INTERCHANGEABLE
Head,crowfoot Socket Wrench
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-277-36638708917 INTERCHANGEABLE
Head,crowfoot Socket Wrench
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-277-36648708918 INTERCHANGEABLE
Head,crowfoot Socket Wrench
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-277-3665 INTERCHANGEABLE
Head,crowfoot Socket Wrench
3120-00-287-7469AA304-1 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5120-00-288-6502 INTERCHANGEABLE
Head,crowfoot Socket Wrench
5120-00-288-6510 INTERCHANGEABLE
Head,crowfoot Socket Wrench
5120-00-595-8264 INTERCHANGEABLE
Head,crowfoot Socket Wrench
Cross-Reference Index
Part NumberManufacturer
GGG-W-646 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
3678 Wta Tool Llc (USA)
3678 Granco Industries Inc (USA)
A-A-3041 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
8708916 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-100-0336INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5120-00-222-7975INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-277-3661INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
8708915
5120-00-277-3663INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
8708917
5120-00-277-3664INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
8708918
5120-00-277-3665INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
3120-00-287-7469INTERCHANGEABLE
BEARING,SLEEVE
AA304-1
5120-00-288-6502INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
5120-00-288-6510INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
5120-00-595-8264INTERCHANGEABLE
HEAD,CROWFOOT SOCKET WRENCH
5950-00-688-9842INTERCHANGEABLE
TRANSFORMER,POWER
2941-21
5310-01-097-8163INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3678

Frequently Asked Questions

What is NSN 5120-00-277-3662?

NSN 5120-00-277-3662 is a Head,crowfoot Socket Wrench, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-277-3662?

NSN 5120-00-277-3662 has 5 cross-referenced part numbers: GGG-W-646 (Federal Specifications Promulgated by General Services Administration Washington DC), 3678 (Wta Tool Llc), 3678 (Granco Industries Inc), A-A-3041 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 8708916 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5120-00-277-3662?

There are 12 known substitutes for 5120-00-277-3662: 3110-00-100-0336, 5120-00-222-7975, 5120-00-277-3661 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8708916?

Key specifications for 8708916: Overall Width: 2.150 INCHES NOMINAL IN; Torque Capacity: 1500.0 INCH-POUNDS NOMINAL IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Drive Surface Size: 0.381 INCHES NOMINAL SINGLE END IN. 10 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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