PartsTable
Technical Data Sheet
PartsTable / COMPONENT / P257
P257 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL COMP 1060, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, design_type: NONREUSABLE, usage_design: EXTERNAL, body_diameter: 4.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-038-9513, 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
P257
NSN: 5330-00-038-9513
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 1060
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
design_typeNONREUSABLE
usage_designEXTERNAL
body_diameter4.000 INCHES NOMINAL IN
flow_directionOUTSIDE IN
inside_diameter1.264 INCHES NOMINAL IN
outside_diameter1.521 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
material_diameter0.156 INCHES NOMINAL IN
NSN5330-00-038-9513
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P257 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
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
C17Interchangeable
interchangeable cross-reference
interchangeable
P257Interchangeable
interchangeable cross-reference
interchangeable
P90BRInterchangeable
interchangeable cross-reference
interchangeable
287070R1Interchangeable
interchangeable cross-reference
interchangeable
CA1084AFB32 B/M ITEM 012Interchangeable
interchangeable cross-reference
interchangeable
91 600 902Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy P257?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is P257?
P257 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace P257?
There are 10 known substitutes for P257: C17, P257, P90BR and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P257?
P257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-038-9513. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — P257

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026