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Technical Data Sheet
PartsTable / O-RING / PL-1421 PIECE 14
PL-1421 PIECE 14 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, nondefinitive_spec/std_data: 1 TYPE AND 2 CLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-099-2558, 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
PL-1421 PIECE 14
NSN: 5331-01-099-2558
FSC: 5331 — O-RING
CAGE: 32142 — HYDRASEARCH COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-099-2558
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PL-1421 PIECE 14 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
•
TEMP RATING: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
TEMP RATING-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CRITICALITY CODE JUSTIFICATIONZZZW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AS3581-115Interchangeable
interchangeable cross-reference
interchangeable
PLC-10363 PIECE 15Interchangeable
interchangeable cross-reference
interchangeable
115-19359Interchangeable
interchangeable cross-reference
interchangeable
AS3581-115CPInterchangeable
interchangeable cross-reference
interchangeable
285008-0001 ITEM NO. 69 CPInterchangeable
interchangeable cross-reference
interchangeable
C-7022/2423 PIECE 14CPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-1421 PIECE 14?
PL-1421 PIECE 14 is a O-RING.
What parts can replace PL-1421 PIECE 14?
There are 12 known substitutes for PL-1421 PIECE 14: AS3581-115, PLC-10363 PIECE 15, 115-19359 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-1421 PIECE 14?
PL-1421 PIECE 14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-099-2558. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026