PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P4680Processing Unit,photographic Fil

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6740-00-291-5503 · FSC 6740 · No Item Name Available
Verified by PartsTable
NSN 6740-00-291-5503 — this item is cataloged by the U.S. Government under National Stock Number 6740-00-291-5503. Primary manufacturer part number: P4680.
Features
  • Processing Unit,photographic Fil — FSC 6740
  • Operation Method: MANUAL
  • Film Loading Capacity: 100 FT FT
  • Processing Tank Quantity: 1
  • Loading Type: SPOOL
  • Nesting Feature: NOT INCLUDED
  • Film Accommodation Type: MOTION PICTURE
  • Film Size Accommodated: 16 MM;35 MM MM
Applications
  • Applications requiring Plastic Phenol Formaldehyde (pmo) Processing Tank construction
General Description

The Processing Unit,photographic Fil, cataloged under National Stock Number 6740-00-291-5503, is classified within Federal Supply Class 6740 (No Item Name Available) of the Photographic Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN6740-00-291-5503
Primary Part NumberP4680
Item NameProcessing Unit,photographic Fil
FSC / FSG6740 / 67 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Operation MethodMANUAL
Film Loading Capacity100 FT FT
Processing Tank Quantity1
Loading TypeSPOOL
Nesting FeatureNOT INCLUDED
Film Accommodation TypeMOTION PICTURE
Film Size Accommodated16 MM;35 MM MM
MaterialPLASTIC PHENOL FORMALDEHYDE (PMO) PROCESSING TANK
Carrying CasePROVIDED
Nondefinitive Spec/std DataEJ1-1 TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-071-9496G3 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
6610-00-133-1870208020-0110 INTERCHANGEABLE
Indicator Mechanism
Jewell Instruments Llc
4930-00-204-25505349744 INTERCHANGEABLE
Adapter,grease Gun Coupling
U S Army Tank Automotive Command Amsta-Im-Mm
4940-00-204-3738 INTERCHANGEABLE
Cleaner,pipeline,air Pressure
2805-00-328-541501002 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
4920-00-342-4013XE12285 INTERCHANGEABLE
Tester,gun Bomb Roc
Bae Systems Information and Electronic Systems Integration Inc.
5307-00-394-3544 INTERCHANGEABLE
Stud,knife Guard
2940-00-428-3884C111A INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5330-00-640-8558 INTERCHANGEABLE
Ring,wiper
5930-00-988-09342050619 INTERCHANGEABLE
Switch,thermostatic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
P4680 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G3 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
G3 Incom Intl Inc Morse Controls Div (USA)
Related Parts
5330-00-071-9496INTERCHANGEABLE
GASKET
G3
6610-00-133-1870INTERCHANGEABLE
INDICATOR MECHANISM
208020-0110
4930-00-204-2550INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
5349744
4940-00-204-3738INTERCHANGEABLE
CLEANER,PIPELINE,AIR PRESSURE
2805-00-328-5415INTERCHANGEABLE
GUIDE,VALVE STEM
01002
4920-00-342-4013INTERCHANGEABLE
TESTER,GUN BOMB ROC
XE12285
5307-00-394-3544INTERCHANGEABLE
STUD,KNIFE GUARD
2940-00-428-3884INTERCHANGEABLE
FILTER ELEMENT,FLUID
C111A
5330-00-640-8558INTERCHANGEABLE
RING,WIPER
5930-00-988-0934INTERCHANGEABLE
SWITCH,THERMOSTATIC
2050619
2910-01-050-9561INTERCHANGEABLE
FILTER,FLUID
G-3
5905-01-187-7793INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT

Frequently Asked Questions

What is NSN 6740-00-291-5503?

NSN 6740-00-291-5503 is a Processing Unit,photographic Fil, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6740 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6740-00-291-5503?

NSN 6740-00-291-5503 has 3 cross-referenced part numbers: P4680 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), G3 (Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls), G3 (Incom Intl Inc Morse Controls Div).

What NSN replaces 6740-00-291-5503?

There are 12 known substitutes for 6740-00-291-5503: 5330-00-071-9496, 6610-00-133-1870, 4930-00-204-2550 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P4680?

Key specifications for P4680: Operation Method: MANUAL; Film Loading Capacity: 100 FT FT; Processing Tank Quantity: 1; Loading Type: SPOOL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6740-00-291-5503 still in active supply?

NSN 6740-00-291-5503 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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