PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21438Cap-Valve Piston---

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 1680-00-485-4288 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-485-4288 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-485-4288. Primary manufacturer part number: 21438.
Features
  • Cap-Valve Piston--- — FSC 1680
  • 3 verified cross-references
  • Primary manufacturer: Kidde Technologies, Inc Div Kidde Aerospace and Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap-Valve Piston---, cataloged under National Stock Number 1680-00-485-4288, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap-Valve Piston---
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersKidde-Fenwal, Llc (CAGE 0KDP7); Kidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423); General Dynamics Land Systems Canadacorp (CAGE 56161)
Technical Specifications
ParameterValue
NSN1680-00-485-4288
Primary Part Number21438
Item NameCap-Valve Piston---
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-059-4982214-38 INTERCHANGEABLE
Spacer,ring
Aerco International, Inc. Dba Aerco International Inc
5120-00-237-6985 INTERCHANGEABLE
Screwdriver,flat Tip
5365-00-343-771821438 INTERCHANGEABLE
Spacer,sleeve
Hoist Liftruck Mfg Inc
2940-00-897-913921426 INTERCHANGEABLE
Filter,fluid
Cummins Inc.
3130-01-188-790521438 INTERCHANGEABLE
Cap,pillow Block
Moog Inc. Dba Ampac-Isp Corp
5360-01-351-120821438 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21438 Kidde-Fenwal, Llc (USA)
21438 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
10523409 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
5365-00-059-4982INTERCHANGEABLE
SPACER,RING
214-38
5120-00-237-6985INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5365-00-343-7718INTERCHANGEABLE
SPACER,SLEEVE
21438
2940-00-897-9139INTERCHANGEABLE
FILTER,FLUID
21426
3130-01-188-7905INTERCHANGEABLE
CAP,PILLOW BLOCK
21438
5360-01-351-1208INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21438

Frequently Asked Questions

What is NSN 1680-00-485-4288?

NSN 1680-00-485-4288 is a Cap-Valve Piston---, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-485-4288?

NSN 1680-00-485-4288 has 3 cross-referenced part numbers: 21438 (Kidde-Fenwal, Llc), 21438 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 10523409 (General Dynamics Land Systems Canadacorp).

What NSN replaces 1680-00-485-4288?

There are 6 known substitutes for 1680-00-485-4288: 5365-00-059-4982, 5120-00-237-6985, 5365-00-343-7718 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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