PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A257-1Handle,driver

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-297-7910 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-297-7910 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-297-7910. Primary manufacturer part number: A257-1.
Features
  • Handle,driver — FSC 5120
  • General Characteristics Item Description: STEEL; 8 IN. LG; 1/2-20 MTG THREADS; KNURLED GRIP IN
  • 2 verified cross-references
  • Primary manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Handle,driver, cataloged under National Stock Number 5120-01-297-7910, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-297-7910
Primary Part NumberA257-1
Item NameHandle,driver
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 8 IN. LG; 1/2-20 MTG THREADS; KNURLED GRIP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4320-00-069-2026A1588-3-875 INTERCHANGEABLE
Impeller,pump,centrifugal
Weil Pump Co Inc
4320-00-069-2027A1588 INTERCHANGEABLE
Impeller,pump,centrifugal
Weil Pump Co Inc
5310-00-209-414523374 INTERCHANGEABLE
Washer,key
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5310-00-318-8473A1588 INTERCHANGEABLE
Washer,lock
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
8455-01-018-8737 INTERCHANGEABLE
Insignia,shoulder Sleeve
5310-01-176-8059A1588 INTERCHANGEABLE
Washer,flat
Datamarine Intl Inc
5325-01-233-3008A1588 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
8455-01-660-5778 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-7201 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-7209 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A257-1 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
A158-8 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
4320-00-069-2026INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A1588-3-875
4320-00-069-2027INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A1588
5310-00-209-4145INTERCHANGEABLE
WASHER,KEY
23374
5310-00-318-8473INTERCHANGEABLE
WASHER,LOCK
A1588
8455-01-018-8737INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5310-01-176-8059INTERCHANGEABLE
WASHER,FLAT
A1588
5325-01-233-3008INTERCHANGEABLE
EYELET,METALLIC
A1588
8455-01-660-5778INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-7201INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-7209INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5120-01-297-7910?

NSN 5120-01-297-7910 is a Handle,driver, 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 5120-01-297-7910?

NSN 5120-01-297-7910 has 2 cross-referenced part numbers: A257-1 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), A158-8 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-297-7910?

There are 10 known substitutes for 5120-01-297-7910: 4320-00-069-2026, 4320-00-069-2027, 5310-00-209-4145 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A257-1?

Key specifications for A257-1: End Item Identification: SNAP-ON NO. A257 HEAVY DUTY BUSHING DRIVER SET; General Characteristics Item Description: STEEL; 8 IN. LG; 1/2-20 MTG THREADS; KNURLED GRIP IN. 2 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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