PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121323Insulator,bushing

Lockheed Martin Corp · NSN 5970-01-075-6525 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-075-6525 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-075-6525. Primary manufacturer part number: 121323.
Features
  • Insulator,bushing — FSC 5970
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPECIAL FEATURES
  • Style Designator: SHOULDER
  • Material Document and Classification: L-P-395,TYPE I,GRADE A,CLASS I FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL
  • Shank Height: 0.115 INCHES NOMINAL IN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Shank Outside Diameter: 0.718 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polyhexamethylene Adipamide and Glass Fiber Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-01-075-6525, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-075-6525
Primary Part Number121323
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL FEATURES
Style DesignatorSHOULDER
Material Document and ClassificationL-P-395,TYPE I,GRADE A,CLASS I FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL
Shank Height0.115 INCHES NOMINAL IN
Outside Diameter1.250 INCHES NOMINAL IN
Shank Outside Diameter0.718 INCHES NOMINAL IN
Inside Diameter0.531 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-262-6103121323 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4730-00-270-4606SAE J512 6-4 010103B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
3120-01-178-1291 INTERCHANGEABLE
Bushing,sleeve
5120-01-717-0161121323 INTERCHANGEABLE
Wrench,combination,special Purpo
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
121323 Lockheed Martin Corp (USA)
Related Parts
5310-00-262-6103INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
121323
4730-00-270-4606INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-4 010103B
3120-01-178-1291INTERCHANGEABLE
BUSHING,SLEEVE
5120-01-717-0161INTERCHANGEABLE
WRENCH,COMBINATION,SPECIAL PURPO
121323

Frequently Asked Questions

What is NSN 5970-01-075-6525?

NSN 5970-01-075-6525 is a Insulator,bushing, manufactured by Lockheed Martin Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-075-6525?

NSN 5970-01-075-6525 has 1 cross-referenced part number: 121323 (Lockheed Martin Corp).

What NSN replaces 5970-01-075-6525?

There are 4 known substitutes for 5970-01-075-6525: 5310-00-262-6103, 4730-00-270-4606, 3120-01-178-1291 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121323?

Key specifications for 121323: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPECIAL FEATURES; Style Designator: SHOULDER; Material Document and Classification: L-P-395,TYPE I,GRADE A,CLASS I FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL. 9 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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