PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR-1Handle,socket Wrench

Ngk Metals Corporation Dba N G K Berylco · NSN 5120-00-778-0583 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-778-0583 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-778-0583. Primary manufacturer part number: SR-1.
Features
  • Handle,socket Wrench — FSC 5120
  • Material: COPPER ALLOY OVERALL
  • Style Designator: RATCHET
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Drive End Shape: SQUARE SINGLE END EXTERNAL
  • 2 verified cross-references
  • Primary manufacturer: Ngk Metals Corporation Dba N G K Berylco
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Handle,socket Wrench, cataloged under National Stock Number 5120-00-778-0583, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 5 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-778-0583
Primary Part NumberSR-1
Item NameHandle,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNgk Metals Corporation Dba N G K Berylco
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorRATCHET
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Features ProvidedNONMAGNETIC AND NONSPARKING
Drive End ShapeSQUARE SINGLE END EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-278-7232 INTERCHANGEABLE
Bearing,ball,annular
6350-00-455-0657SR1 INTERCHANGEABLE
Sensing Unit,alarm
North Safety Products
6515-01-215-4115 INTERCHANGEABLE
Remover,skin Staple
5340-01-346-2289BSR-1A INTERCHANGEABLE
Buckle
American Cord & Webbing Co Inc Div American Cord and Webbing
6515-01-493-5168 INTERCHANGEABLE
Remover,surgical Staple,skin
1680-01-500-9093SR-1 INTERCHANGEABLE
Winch,drum,power
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6515-01-532-9033SR1 INTERCHANGEABLE
Retractor,cheek
Hu-Friedy Mfg. Co., Llc
1670-01-553-4842SR-1 INTERCHANGEABLE
Slink,parachute
Performance Designs Inc Div Performance Designs
Cross-Reference Index
Part NumberManufacturer
SR-1 PRIMARY Ngk Metals Corporation Dba N G K Berylco (USA)
SR-1-2652 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
3110-00-278-7232INTERCHANGEABLE
BEARING,BALL,ANNULAR
6350-00-455-0657INTERCHANGEABLE
SENSING UNIT,ALARM
SR1
6515-01-215-4115INTERCHANGEABLE
REMOVER,SKIN STAPLE
5340-01-346-2289INTERCHANGEABLE
BUCKLE
BSR-1A
6515-01-493-5168INTERCHANGEABLE
REMOVER,SURGICAL STAPLE,SKIN
1680-01-500-9093INTERCHANGEABLE
WINCH,DRUM,POWER
SR-1
6515-01-532-9033INTERCHANGEABLE
RETRACTOR,CHEEK
SR1
1670-01-553-4842INTERCHANGEABLE
SLINK,PARACHUTE
SR-1

Frequently Asked Questions

What is NSN 5120-00-778-0583?

NSN 5120-00-778-0583 is a Handle,socket Wrench, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-778-0583?

NSN 5120-00-778-0583 has 2 cross-referenced part numbers: SR-1 (Ngk Metals Corporation Dba N G K Berylco), SR-1-2652 (Ngk Metals Corporation Dba N G K Berylco).

What NSN replaces 5120-00-778-0583?

There are 8 known substitutes for 5120-00-778-0583: 3110-00-278-7232, 6350-00-455-0657, 6515-01-215-4115 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR-1?

Key specifications for SR-1: Overall Length: 5.000 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Style Designator: RATCHET; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN. 6 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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