PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12MAdapter,mechanical Puller

Bosch Automotive Service Solutions Inc. · NSN 5120-00-127-7856 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-127-7856 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-127-7856. Primary manufacturer part number: 12M.
Features
  • Adapter,mechanical Puller — FSC 5120
  • Style Designator: MALE TO FEMALE
  • Female End Thread Class: 2B
  • Departure From Cited Designator: AS OD BY MALE THREADS
  • Male End Thread Class: 2A A
  • Female End Length: 1.250 INCHES NOMINAL IN
  • Male End Thread Size and Series/type Designator: 0.438-14 UNIFIED NATIONAL COARSE (UNC)
  • Female End Thread Size and Series/type Designator: 0.625-18 UNF
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Adapter,mechanical Puller, cataloged under National Stock Number 5120-00-127-7856, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bosch Automotive Service Solutions Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-127-7856
Primary Part Number12M
Item NameAdapter,mechanical Puller
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
Style DesignatorMALE TO FEMALE
Female End Thread Class2B
Departure From Cited DesignatorAS OD BY MALE THREADS
Male End Thread Class2A A
Female End Length1.250 INCHES NOMINAL IN
Male End Thread Size and Series/type Designator0.438-14 UNIFIED NATIONAL COARSE (UNC)
Female End Thread Size and Series/type Designator0.625-18 UNF
Male End Length1.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data13 TYPE AND 1 CLASS AND A STYLE AND 3 SIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6210-00-139-5052 INTERCHANGEABLE
Lens,light
5961-00-159-729812S INTERCHANGEABLE
Transistor
Lucent Technologies Inc Corporate Headquarters
5310-00-584-5272MS35338-48 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5342-01-015-02418-12-M INTERCHANGEABLE
Clip,conduit
Erico Products Inc Dba Erico Div Erico International Corporation
6515-01-448-348112 M INTERCHANGEABLE
Clip,attachment,halo
The Jerome Group Inc Dba Jerome Medical
Cross-Reference Index
Part NumberManufacturer
12M Bosch Automotive Service Solutions Inc. (USA)
GGG-P-781 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
8002 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
6210-00-139-5052INTERCHANGEABLE
LENS,LIGHT
5961-00-159-7298INTERCHANGEABLE
TRANSISTOR
12S
5310-00-584-5272INTERCHANGEABLE
WASHER,LOCK
MS35338-48
5342-01-015-0241INTERCHANGEABLE
CLIP,CONDUIT
8-12-M
6515-01-448-3481INTERCHANGEABLE
CLIP,ATTACHMENT,HALO
12 M

Frequently Asked Questions

What is NSN 5120-00-127-7856?

NSN 5120-00-127-7856 is a Adapter,mechanical Puller, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-127-7856?

NSN 5120-00-127-7856 has 3 cross-referenced part numbers: 12M (Bosch Automotive Service Solutions Inc.), GGG-P-781 (Federal Specifications Promulgated by General Services Administration Washington DC), 8002 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 5120-00-127-7856?

There are 5 known substitutes for 5120-00-127-7856: 6210-00-139-5052, 5961-00-159-7298, 5310-00-584-5272 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12M?

Key specifications for 12M: Style Designator: MALE TO FEMALE; Female End Thread Class: 2B; Departure From Cited Designator: AS OD BY MALE THREADS; Male End Thread Class: 2A A. 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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