PartsTable
Technical Data Sheet
PartsTable / COMPONENT / PP43
PP43 ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include length: 0.281 INCHES NOMINAL IN, diameter: 0.125 INCHES NOMINAL IN, material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.375 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-176-0888, 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
PP43
NSN: 5340-00-176-0888
FSC: 5340
CAGE: 21938 — MAHR INC (USA)
SPECIFICATIONS
length0.281 INCHES NOMINAL IN
diameter0.125 INCHES NOMINAL IN
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity8
inside_diameter0.375 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length1.250 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
cross-sectional_shapeROUND
spring_free_outside_diameter0.625 INCHES NOMINAL IN
NSN5340-00-176-0888
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PP43 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
•
LENGTH: 0.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION BOTH ENDS
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH0.281 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION BOTH ENDS
DIAMETER0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
0300D0008Interchangeable
interchangeable cross-reference
interchangeable
3188Interchangeable
interchangeable cross-reference
interchangeable
M5501Interchangeable
interchangeable cross-reference
interchangeable
0213011-0Interchangeable
interchangeable cross-reference
interchangeable
710238Interchangeable
interchangeable cross-reference
interchangeable
PP43Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy PP43?
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 PP43?
PP43 is a SPRING,HELICAL,COMPRESSION.
What parts can replace PP43?
There are 18 known substitutes for PP43: 0300D0008, 3188, M5501 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PP43?
PP43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-176-0888. 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 — PP43

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