PartsTable
Technical Data Sheet
MIL-PRF-121G ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

BARRIER MATERIAL,GREASEPROOFED-W. Key specifications include width: 3.000 FEET NOMINAL FT, length: 600.000 FEET NOMINAL FT, physical_form: ROLL, moldable_feature: NOT INCLUDED, performance_type: LIGHT DUTY, surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 8135-00-224-8885, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MIL-PRF-121G
NSN: 8135-00-224-8885
FSC: 8135
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
width3.000 FEET NOMINAL FT
length600.000 FEET NOMINAL FT
physical_formROLL
moldable_featureNOT INCLUDED
performance_typeLIGHT DUTY
surface_conditionSMOOTH
identification_code_colorRED
nondefinitive_spec/std_data2 TYPE
self-adhering_material_locationNONGREASEPROOF SIDE
NSN8135-00-224-8885
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BARRIER MATERIAL,GREASEPROOFED-W TITLE COMPONENT PN MIL-PRF-121G MFR BARRIER MATERIAL,GREAS
KEY FEATURES
SURFACE CONDITION: SMOOTH
IDENTIFICATION CODE COLOR: RED
MOLDABLE FEATURE: NOT INCLUDED
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
WIDTH: 3.000 FEET NOMINAL FT
LENGTH: 600.000 FEET NOMINAL FT
PHYSICAL FORM: ROLL
SELF-ADHERING MATERIAL LOCATION: NONGREASEPROOF SIDE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE CONDITIONSMOOTH
IDENTIFICATION CODE COLORRED
MOLDABLE FEATURENOT INCLUDED
NONDEFINITIVE SPEC/STD DATA2 TYPE
WIDTH3.000 FEET NOMINAL FT
LENGTH600.000 FEET NOMINAL FT
PHYSICAL FORMROLL
SELF-ADHERING MATERIAL LOCATIONNONGREASEPROOF SIDE
PERFORMANCE TYPELIGHT DUTY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-B-121Interchangeable
interchangeable cross-reference
interchangeable
8135PL0907950Interchangeable
interchangeable cross-reference
interchangeable
8135-00-132-9589Interchangeable
interchangeable cross-reference
interchangeable
8135-00-222-4027Interchangeable
interchangeable cross-reference
interchangeable
MS20998Interchangeable
interchangeable cross-reference
interchangeable
226-3124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-121G?
MIL-PRF-121G is a BARRIER MATERIAL,GREASEPROOFED-W.
What parts can replace MIL-PRF-121G?
There are 22 known substitutes for MIL-PRF-121G: MIL-B-121, 8135PL0907950, 8135-00-132-9589 and 19 more. Substitute compatibility should be verified for your specific system.
Is MIL-PRF-121G still available?
MIL-PRF-121G is currently cancelled.
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