NSN 6740-00-443-7147 — this item is cataloged by the U.S. Government under National Stock Number 6740-00-443-7147. Manufacturer of record part number: 31-4221.
Also searched as6740-00-443-7147 ·
6740004437147 ·
NIIN 004437147 ·
00-443-7147 ·
FSC 6740 Photographic Developing and Finishing Equipment · CAGE 1Z473 · 31-4221 · 31-4122
Manufacturer of record: Pakon Inc Dba Impak Division
Identification
NSN: 6740-00-443-7147
NIIN: 004437147
FSC: 6740 — Photographic Developing and Finishing Equipment
FSG: 67 — Photographic Equipment
Primary part number: 31-4221
Manufacturer: Pakon Inc Dba Impak Division
General Description
The Probe,chemical Blea, cataloged under National Stock Number 6740-00-443-7147, is classified within Federal Supply Class 6740 (Photographic Developing and Finishing Equipment) of the Photographic Equipment group. The manufacturer of record is Pakon Inc Dba Impak Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Probe,chemical Blea
FSC / FSG
6740 — Photographic Developing and Finishing Equipment (FSG 67)
Manufacturers
Pakon Inc Dba Impak Division (CAGE 1Z473)
Technical Specifications
Parameter
Value
NSN
6740-00-443-7147
Primary Part Number
31-4221
Item Name
Probe,chemical Blea
FSC / FSG
6740 / 67 — Photographic Developing and Finishing Equipment
Manufacturer
Pakon Inc Dba Impak Division
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1650-00-586-894231412-2POSSIBLE MATCH
HEAD,LINEAR ACTUATING CYLINDER
Possible match (shared part number)Eaton Corp Dba Eaton Aerospace Jackson
5330-00-734-68147346814POSSIBLE MATCH
GASKET
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5935-01-110-3236010675-1POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
NSN 6740-00-443-7147 is a Probe,chemical Blea, manufactured by Pakon Inc Dba Impak Division, classified under FSC 6740, Photographic Developing and Finishing Equipment. Status: active.
What part numbers are listed for NSN 6740-00-443-7147?
NSN 6740-00-443-7147 has 1 manufacturer part number on file: 31-4221 (Pakon Inc Dba Impak Division).
What NSN replaces 6740-00-443-7147?
4 possible matches (shared part number, not a government interchangeability claim): 1650-00-586-8942, 5330-00-734-6814, 5935-01-110-3236. Verify interchangeability with system specifications before substitution.
Is NSN 6740-00-443-7147 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.