PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50129-6Brace,seat

Castle Industries Inc. of California Dba M.c. Gill · NSN 1680-01-152-4310 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-152-4310 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-152-4310. Primary manufacturer part number: 50129-6.
Features
  • Brace,seat — FSC 1680
  • FSC Application Data: SEAT,AIRCRAFT
  • 1 verified cross-reference
  • Primary manufacturer: Castle Industries Inc. of California Dba M.c. Gill
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brace,seat, cataloged under National Stock Number 1680-01-152-4310, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Castle Industries Inc. of California Dba M.c. Gill. Government technical data includes 1 verified specification, 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
NSN1680-01-152-4310
Primary Part Number50129-6
Item NameBrace,seat
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerCastle Industries Inc. of California Dba M.c. Gill
StatusACTIVE
FSC Application DataSEAT,AIRCRAFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-188-2728 INTERCHANGEABLE
Ball,bearing
4820-01-154-6554B422-1-B ITEM 16 INTERCHANGEABLE
Disk,valve
Hunt Valve Company, Inc.
5905-01-216-2105501296 INTERCHANGEABLE
Resistor,fixed,composition
Fluke Corp
5310-01-551-7241 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
50129-6 Castle Industries Inc. of California Dba M.c. Gill (USA)
Related Parts
3110-00-188-2728INTERCHANGEABLE
BALL,BEARING
4820-01-154-6554INTERCHANGEABLE
DISK,VALVE
B422-1-B ITEM 16
5905-01-216-2105INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
501296
5310-01-551-7241INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 1680-01-152-4310?

NSN 1680-01-152-4310 is a Brace,seat, manufactured by Castle Industries Inc. of California Dba M.c. Gill, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-152-4310?

NSN 1680-01-152-4310 has 1 cross-referenced part number: 50129-6 (Castle Industries Inc. of California Dba M.c. Gill).

What NSN replaces 1680-01-152-4310?

There are 4 known substitutes for 1680-01-152-4310: 3110-00-188-2728, 4820-01-154-6554, 5905-01-216-2105 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50129-6?

Key specifications for 50129-6: FSC Application Data: SEAT,AIRCRAFT; End Item Identification: E3A AIRCRAFT. 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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