PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F77ARatchet Attachment,socket Wrench

Snap-on Uk Holdings Limited · NSN 5120-01-335-1082 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1082 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1082. Primary manufacturer part number: F77A.
Features
  • Ratchet Attachment,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SECOND END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND B STYLE
  • Surface Treatment: CHROMIUM OVERALL
  • Outside Diameter: 1.437 INCHES MAXIMUM IN
  • Style Designator: EXTERNAL-INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL BOTH ENDS IN
  • Specification/standard Data: 05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Ratchet Attachment,socket Wrench, cataloged under National Stock Number 5120-01-335-1082, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Snap-on Uk Holdings Limited. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN5120-01-335-1082
Primary Part NumberF77A
Item NameRatchet Attachment,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSnap-on Uk Holdings Limited
StatusACTIVE
Drive End ShapeSQUARE SECOND END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND B STYLE
Surface TreatmentCHROMIUM OVERALL
Outside Diameter1.437 INCHES MAXIMUM IN
Style DesignatorEXTERNAL-INTERNAL
Drive Surface Size0.375 INCHES NOMINAL BOTH ENDS IN
Specification/standard Data05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE FIRST END EXTERNAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-116-0068 INTERCHANGEABLE
Spring,helical,compression
5120-00-227-8129 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7322 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7323 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-277-1207 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
6695-00-780-65830M9071-020 INTERCHANGEABLE
Meter Movement
Jewell Instruments Llc
6625-01-060-6272F77 INTERCHANGEABLE
Generator,pulse-Sweep
L3harris Interstate Electronics Corporation
6625-01-168-685677-2 INTERCHANGEABLE
Multimeter
Fluke Corp
5120-01-334-9859 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-01-334-9872 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
Cross-Reference Index
Part NumberManufacturer
F77A Snap-on Uk Holdings Limited (GBR)
B107.10 The American Society of Mechanical Engineers (USA)
F67B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
F77A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.110 The American Society of Mechanical Engineers (USA)
B107.110 CAT TY2CL3STB General Services Administration Federal Supply Service (USA)
F77 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.10 TY2CL3STB General Services Administration Federal Supply Service (USA)
5120PL1076541 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5360-00-116-0068INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5120-00-227-8129INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7322INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7323INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-277-1207INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
6695-00-780-6583INTERCHANGEABLE
METER MOVEMENT
0M9071-020
6625-01-060-6272INTERCHANGEABLE
GENERATOR,PULSE-SWEEP
F77
6625-01-168-6856INTERCHANGEABLE
MULTIMETER
77-2
5120-01-334-9859INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-01-334-9872INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-01-335-1081INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
S77A
5120-01-335-1086INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-335-1082?

NSN 5120-01-335-1082 is a Ratchet Attachment,socket Wrench, manufactured by Snap-on Uk Holdings Limited, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-335-1082?

NSN 5120-01-335-1082 has 9 cross-referenced part numbers: F77A (Snap-on Uk Holdings Limited), B107.10 (The American Society of Mechanical Engineers), F67B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), F77A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.110 (The American Society of Mechanical Engineers) and 4 more.

What NSN replaces 5120-01-335-1082?

There are 12 known substitutes for 5120-01-335-1082: 5360-00-116-0068, 5120-00-227-8129, 5120-00-243-7322 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F77A?

Key specifications for F77A: Drive End Shape: SQUARE SECOND END INTERNAL; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND B STYLE; Surface Treatment: CHROMIUM OVERALL; Outside Diameter: 1.437 INCHES MAXIMUM 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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