PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50208Gage,headspace

American Apex Corporation · NSN 5220-01-549-4392 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-01-549-4392 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-549-4392. Primary manufacturer part number: 50208.
Features
  • Gage,headspace — FSC 5220
  • 3 verified cross-references
  • Primary manufacturer: American Apex Corporation
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,headspace, cataloged under National Stock Number 5220-01-549-4392, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is American Apex Corporation. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage,headspace
FSC / FSG5220 — No Item Name Available (FSG 52)
ManufacturersNimikkeistokeskus Ncb Finland (CAGE A486G); American Apex Corporation (CAGE 04CK0); G3 Systems Limited (CAGE KC3S1)
Technical Specifications
ParameterValue
NSN5220-01-549-4392
Primary Part Number50208
Item NameGage,headspace
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerAmerican Apex Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-017-7923 INTERCHANGEABLE
Pin,cotter
5330-00-178-3100 INTERCHANGEABLE
Seal,plain Encased
5315-00-343-703759063 INTERCHANGEABLE
Pin,squeeze Grip Locking
Harold D Hard Co
5315-00-392-7759SM-B-148434 INTERCHANGEABLE
Pin,eccentric
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-873-3194M45938/11-10CL INTERCHANGEABLE
Nut,self-Locking,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-01-223-556670-74012-020 INTERCHANGEABLE
Retainer,packing
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4240-01-250-7480R1050 INTERCHANGEABLE
Mask,air Filtering
Square D Co Monroe Plant
5340-01-419-125850208 INTERCHANGEABLE
Catch,clamping
Griffith Rubber Mills
Cross-Reference Index
Part NumberManufacturer
10203039 Nimikkeistokeskus Ncb Finland (FIN)
50208 PRIMARY American Apex Corporation (USA)
G28.404.000.5310 G3 Systems Limited (GBR)
Related Parts
5315-00-017-7923INTERCHANGEABLE
PIN,COTTER
5330-00-178-3100INTERCHANGEABLE
SEAL,PLAIN ENCASED
5315-00-343-7037INTERCHANGEABLE
PIN,SQUEEZE GRIP LOCKING
59063
5315-00-392-7759INTERCHANGEABLE
PIN,ECCENTRIC
SM-B-148434
5310-00-873-3194INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
M45938/11-10CL
5330-01-223-5566INTERCHANGEABLE
RETAINER,PACKING
70-74012-020
4240-01-250-7480INTERCHANGEABLE
MASK,AIR FILTERING
R1050
5340-01-419-1258INTERCHANGEABLE
CATCH,CLAMPING
50208

Frequently Asked Questions

What is NSN 5220-01-549-4392?

NSN 5220-01-549-4392 is a Gage,headspace, manufactured by American Apex Corporation, classified under FSC 5220 (No Item Name Available). Status: active.

What are the part numbers for NSN 5220-01-549-4392?

NSN 5220-01-549-4392 has 3 cross-referenced part numbers: 10203039 (Nimikkeistokeskus Ncb Finland), 50208 (American Apex Corporation), G28.404.000.5310 (G3 Systems Limited).

What NSN replaces 5220-01-549-4392?

There are 8 known substitutes for 5220-01-549-4392: 5315-00-017-7923, 5330-00-178-3100, 5315-00-343-7037 and 5 more. Verify interchangeability with system specifications before substitution.

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