PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C4-104-27-0001Bulb,leveling,gas Analysis Appar

Greenfield Compression Inc. · NSN 6630-00-404-2500 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-00-404-2500 — this item is cataloged by the U.S. Government under National Stock Number 6630-00-404-2500. Primary manufacturer part number: C4-104-27-0001.
Features
  • Bulb,leveling,gas Analysis Appar — FSC 6630
  • Departure From Cited Document: AS MODIFIED BY PARAGRAPH 3.2.2 LEVELING BULB
  • Shape: PEAR
  • Capacity Rating: 250.0 MILLILITERS NOMINAL
  • Overall Diameter: 3.000 INCHES NOMINAL IN
  • Material: GLASS
  • 11 verified cross-references
  • Primary manufacturer: Greenfield Compression Inc.
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Glass construction
General Description

The Bulb,leveling,gas Analysis Appar, cataloged under National Stock Number 6630-00-404-2500, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Greenfield Compression Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6630-00-404-2500
Primary Part NumberC4-104-27-0001
Item NameBulb,leveling,gas Analysis Appar
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerGreenfield Compression Inc.
StatusCANCELLED
Departure From Cited DocumentAS MODIFIED BY PARAGRAPH 3.2.2 LEVELING BULB
ShapePEAR
Capacity Rating250.0 MILLILITERS NOMINAL
Overall Diameter3.000 INCHES NOMINAL IN
MaterialGLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-074-0349 INTERCHANGEABLE
Semiconductor Device,diode
3040-00-118-882210885 INTERCHANGEABLE
Cam,control
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6630-00-404-2525 INTERCHANGEABLE
Buret,laboratory
5930-00-409-548210689632-2 INTERCHANGEABLE
Switch,toggle
Us Army Aviation and Missile Command
2590-00-424-0891205267N INTERCHANGEABLE
Bracket,vehicular Components
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5310-00-782-13490188-5 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Dba Honeywell International
5940-00-926-0035 INTERCHANGEABLE
Terminal,stud
6625-00-927-8028ST12 INTERCHANGEABLE
Test Set,synchro
Mission Systems Davenport Inc.
4820-01-061-8844C-314065-X1 INTERCHANGEABLE
Valve,linear,directional Control
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5950-01-116-0763 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
10-885 Fisher Scientific Worldwide (USA)
29256 Air Products & Chemicals, Inc (USA)
4-104-27-0001 Greenfield Compression Inc. (USA)
NY574-8-2 Gas Equipment Engineering Corporation, the Dba Geeco (USA)
C4-104-27-0001 PRIMARY Greenfield Compression Inc. (USA)
4-104-27-0001 Air Products & Chemicals, Inc (USA)
7012-3 Air Products & Chemicals, Inc (USA)
29256A Air Products & Chemicals, Inc (USA)
2080-250 PRIMARY Corning Glass Works (USA)
GGB00488 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ST1-2 Gas Equipment Engineering Corporation, the Dba Geeco (USA)
Related Parts
5961-00-074-0349INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3040-00-118-8822INTERCHANGEABLE
CAM,CONTROL
10885
6630-00-404-2525INTERCHANGEABLE
BURET,LABORATORY
5930-00-409-5482INTERCHANGEABLE
SWITCH,TOGGLE
10689632-2
2590-00-424-0891INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
205267N
5310-00-782-1349INTERCHANGEABLE
WASHER,FLAT
0188-5
5940-00-926-0035INTERCHANGEABLE
TERMINAL,STUD
6625-00-927-8028INTERCHANGEABLE
TEST SET,SYNCHRO
ST12
4820-01-061-8844INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
C-314065-X1
5950-01-116-0763INTERCHANGEABLE
COIL,RADIO FREQUENCY
4010-01-170-1460INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
5P7957
6150-01-229-0320INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
10885-315-1

Frequently Asked Questions

What is NSN 6630-00-404-2500?

NSN 6630-00-404-2500 is a Bulb,leveling,gas Analysis Appar, manufactured by Greenfield Compression Inc., classified under FSC 6630 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6630-00-404-2500?

NSN 6630-00-404-2500 has 11 cross-referenced part numbers: 10-885 (Fisher Scientific Worldwide), 29256 (Air Products & Chemicals, Inc), 4-104-27-0001 (Greenfield Compression Inc.), NY574-8-2 (Gas Equipment Engineering Corporation, the Dba Geeco), C4-104-27-0001 (Greenfield Compression Inc.) and 6 more.

What NSN replaces 6630-00-404-2500?

There are 12 known substitutes for 6630-00-404-2500: 5961-00-074-0349, 3040-00-118-8822, 6630-00-404-2525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C4-104-27-0001?

Key specifications for C4-104-27-0001: Departure From Cited Document: AS MODIFIED BY PARAGRAPH 3.2.2 LEVELING BULB; Shape: PEAR; Capacity Rating: 250.0 MILLILITERS NOMINAL; Overall Diameter: 3.000 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6630-00-404-2500 still in active supply?

NSN 6630-00-404-2500 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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