PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

790427Film,radiographic

Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing · NSN 6635-01-391-4809 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-391-4809 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-391-4809. Primary manufacturer part number: 790427.
Features
  • Film,radiographic — FSC 6635
  • Contrast Rating: HIGH
  • Precious Material and Weight: 0.040 SILVER GRAINS, TROY
  • Paper Interleaving Application: NON-INTERLEAVED
  • Precious Material and Location: EMULSION SILVER
  • Precious Material: SILVER
  • Width: 17.000 INCHES NOMINAL IN
  • Length: 3.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Film,radiographic, cataloged under National Stock Number 6635-01-391-4809, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-391-4809
Primary Part Number790427
Item NameFilm,radiographic
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerDu Pont E I De Nemours and Co Inc Dupont Printing and Publishing
StatusACTIVE
Contrast RatingHIGH
Precious Material and Weight0.040 SILVER GRAINS, TROY
Paper Interleaving ApplicationNON-INTERLEAVED
Precious Material and LocationEMULSION SILVER
Precious MaterialSILVER
Width17.000 INCHES NOMINAL IN
Length3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6635-01-391-4778 INTERCHANGEABLE
Film,radiographic
6635-01-391-4785 INTERCHANGEABLE
Film,radiographic
6635-01-391-4788 INTERCHANGEABLE
Film,radiographic
6635-01-391-4790 INTERCHANGEABLE
Film,radiographic
6635-01-391-4793 INTERCHANGEABLE
Film,radiographic
6635-01-391-4804 INTERCHANGEABLE
Film,radiographic
6635-01-391-4806 INTERCHANGEABLE
Film,radiographic
6635-01-391-6527 INTERCHANGEABLE
Film,radiographic
6635-01-391-8654 INTERCHANGEABLE
Film,radiographic
6635-01-391-8656 INTERCHANGEABLE
Film,radiographic
Cross-Reference Index
Part NumberManufacturer
790427 Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing (USA)
RADIOGRAPHIC NDT 65 Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing (USA)
Related Parts
6635-01-391-4778INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4785INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4788INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4790INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4793INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4804INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-4806INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-6527INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-8654INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-8656INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-8658INTERCHANGEABLE
FILM,RADIOGRAPHIC
6635-01-391-8661INTERCHANGEABLE
FILM,RADIOGRAPHIC

Frequently Asked Questions

What is NSN 6635-01-391-4809?

NSN 6635-01-391-4809 is a Film,radiographic, manufactured by Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-391-4809?

NSN 6635-01-391-4809 has 2 cross-referenced part numbers: 790427 (Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing), RADIOGRAPHIC NDT 65 (Du Pont E I De Nemours and Co Inc Dupont Printing and Publishing).

What NSN replaces 6635-01-391-4809?

There are 12 known substitutes for 6635-01-391-4809: 6635-01-391-4778, 6635-01-391-4785, 6635-01-391-4788 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 790427?

Key specifications for 790427: Contrast Rating: HIGH; Precious Material and Weight: 0.040 SILVER GRAINS, TROY; Special Features: USED FOR HIGH-ENERGY, THICK SECTION RADIOGRAPHY AND SANDWICH SHOTS; Paper Interleaving Application: NON-INTERLEAVED. 8 total characteristics are documented in the Federal Logistics Information System.

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