PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15J48-1568Coupling,clamp,grooved

Grimes Aerospace Company · NSN 5342-01-257-3404 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-257-3404 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-257-3404. Primary manufacturer part number: 15J48-1568.
Features
  • Coupling,clamp,grooved — FSC 5342
  • Material Document and Classification: MIL-S-6721 TYPE T1 COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER
  • Material: STEEL CORROSION RESISTING TRUNNION
  • Material: STEEL CORROSION RESISTING NUT
  • Shape: ROUND
  • Material: STEEL CORROSION RESISTING T BOLT
  • Material: STEEL COMP 321 RETAINER
  • Segment Quantity: 1
Applications
  • Applications requiring Steel Corrosion Resisting Trunnion construction
General Description

The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-257-3404, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-257-3404
Primary Part Number15J48-1568
Item NameCoupling,clamp,grooved
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerGrimes Aerospace Company
StatusACTIVE
Material Document and ClassificationMIL-S-6721 TYPE T1 COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER
MaterialSTEEL CORROSION RESISTING TRUNNION
MaterialSTEEL CORROSION RESISTING NUT
ShapeROUND
MaterialSTEEL CORROSION RESISTING T BOLT
MaterialSTEEL COMP 321 RETAINER
Segment Quantity1
Sealing Inner LinerNOT INCLUDED
Retainer Thickness0.050 INCHES NOMINAL IN
Root Width0.202 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
Included Angle in Deg40.0
Retainer Width0.720 INCHES NOMINAL IN
Latch StyleSINGLE
Height0.170 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
Inside Diameter15.240 INCHES MINIMUM AND 15.298 INCHES MAXIMUM IN
Cross-Sectional Shape StyleGROOVED RETAINER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1270-00-605-6117301475 INTERCHANGEABLE
Module Assembly,gyro
Northrop Grumman Corp Electronic Systems Defensive System Div
5325-00-776-7330137-23 INTERCHANGEABLE
Insert,screw Thread
Stanley Engineered Fastening Llc
5815-00-932-0293301475 INTERCHANGEABLE
Stud
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
4101BC V I J Corp Div National Utilities Company (USA)
NH1002183-10 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
30-147-5 Bell Textron Inc (USA)
4101AN V I J Corp Div National Utilities Company (USA)
15J48-1568 PRIMARY Grimes Aerospace Company (USA)
Related Parts
1270-00-605-6117INTERCHANGEABLE
MODULE ASSEMBLY,GYRO
301475
5325-00-776-7330INTERCHANGEABLE
INSERT,SCREW THREAD
137-23
5815-00-932-0293INTERCHANGEABLE
STUD
301475

Frequently Asked Questions

What is NSN 5342-01-257-3404?

NSN 5342-01-257-3404 is a Coupling,clamp,grooved, manufactured by Grimes Aerospace Company, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-257-3404?

NSN 5342-01-257-3404 has 5 cross-referenced part numbers: 4101BC (V I J Corp Div National Utilities Company), NH1002183-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 30-147-5 (Bell Textron Inc), 4101AN (V I J Corp Div National Utilities Company), 15J48-1568 (Grimes Aerospace Company).

What NSN replaces 5342-01-257-3404?

There are 3 known substitutes for 5342-01-257-3404: 1270-00-605-6117, 5325-00-776-7330, 5815-00-932-0293. Verify interchangeability with system specifications before substitution.

What are the specifications of 15J48-1568?

Key specifications for 15J48-1568: Material Document and Classification: MIL-S-6721 TYPE T1 COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE RETAINER; Material: STEEL CORROSION RESISTING TRUNNION; Material: STEEL CORROSION RESISTING NUT; Shape: ROUND. 16 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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