PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1351AWrench,open End

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-449-8114 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-449-8114 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-449-8114. Primary manufacturer part number: B1351A.
Features
  • Wrench,open End — FSC 5120
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 0.250 INCHES NOMINAL SECOND END IN
  • Style Designator: DOUBLE HEAD
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.188 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-449-8114, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5120-00-449-8114
Primary Part NumberB1351A
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.250 INCHES NOMINAL SECOND END IN
Style DesignatorDOUBLE HEAD
MaterialSTEEL OVERALL
Wrenching Surface Size0.188 INCHES NOMINAL FIRST END IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Large End Head Angle15.0 DEGREES NOMINAL
Large End Head Thickness0.250 INCHES NOMINAL IN
Small End Head Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-216-54663027 INTERCHANGEABLE
Plate,top,valve
Crest Good Manufacturing Co Inc
5310-00-227-4889 INTERCHANGEABLE
Washer,spring Tension
2940-00-364-34001595540PC1595582 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
6740-00-466-0932 INTERCHANGEABLE
Tank,processing,photographic
2520-00-620-0254 INTERCHANGEABLE
Breather Asy
5950-00-645-0859S15 INTERCHANGEABLE
Transformer,audio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
5340-00-686-5800S15 INTERCHANGEABLE
Spring,loading
Barnes Group Inc
5310-01-011-9607 INTERCHANGEABLE
Washer
5340-01-086-9654S1.5 INTERCHANGEABLE
Strap,retaining
Panduit Corp.
5310-01-303-8765169800-2 INTERCHANGEABLE
Washer,seal
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
B1351A PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
S-15 Stanley Industrial & Automotive Llc (USA)
Related Parts
4510-00-216-5466INTERCHANGEABLE
PLATE,TOP,VALVE
3027
5310-00-227-4889INTERCHANGEABLE
WASHER,SPRING TENSION
2940-00-364-3400INTERCHANGEABLE
FILTER ELEMENT,FLUID
1595540PC1595582
6740-00-466-0932INTERCHANGEABLE
TANK,PROCESSING,PHOTOGRAPHIC
2520-00-620-0254INTERCHANGEABLE
BREATHER ASY
5950-00-645-0859INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
S15
5340-00-686-5800INTERCHANGEABLE
SPRING,LOADING
S15
5310-01-011-9607INTERCHANGEABLE
WASHER
5340-01-086-9654INTERCHANGEABLE
STRAP,RETAINING
S1.5
5310-01-303-8765INTERCHANGEABLE
WASHER,SEAL
169800-2
5920-01-326-7806INTERCHANGEABLE
FUSE,PLUG
12977
7320-01-387-7827INTERCHANGEABLE
VEGETABLE PEELING MACHINE,ELECTR
S-15

Frequently Asked Questions

What is NSN 5120-00-449-8114?

NSN 5120-00-449-8114 is a Wrench,open End, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-449-8114?

NSN 5120-00-449-8114 has 2 cross-referenced part numbers: B1351A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), S-15 (Stanley Industrial & Automotive Llc).

What NSN replaces 5120-00-449-8114?

There are 12 known substitutes for 5120-00-449-8114: 4510-00-216-5466, 5310-00-227-4889, 2940-00-364-3400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B1351A?

Key specifications for B1351A: Overall Length: 8.500 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN; Small End Head Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Size: 0.250 INCHES NOMINAL SECOND END IN; Style Designator: DOUBLE HEAD. 11 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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