PartsTable
Technical Data Sheet
Download PDF

P11550 — SEAT COMPRESSION HE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

P11550: SEAT COMPRESSION HE.

The SEAT COMPRESSION HE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 600 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 9-1/2, inside_diameter: 1.031 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-424-2734, 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
P11550
NSN: 5360-00-424-2734
NIINs: 004242734, 004301071
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 600 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity9-1/2
inside_diameter1.031 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.250 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
material_hardness_rating30.0 ROCKWELL C MINIMUM
spring_free_outside_diameter1.219 INCHES NOMINAL IN
spring_solid_outside_diameter1.219 INCHES NOMINAL IN
material_document_and_classificationQQ-S-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-424-2734
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAT COMPRESSION HE TITLE COMPONENT PN P11550 MFR SEAT COMPRESSION HE
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.219 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 30.0 ROCKWELL C MINIMUM
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 3.250 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.031 INCHES NOMINAL IN
•
SPRING SOLID OUTSIDE DIAMETER: 1.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.219 INCHES NOMINAL IN
MATERIAL HARDNESS RATING30.0 ROCKWELL C MINIMUM
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH3.250 INCHES NOMINAL IN
INSIDE DIAMETER1.031 INCHES NOMINAL IN
SPRING SOLID OUTSIDE DIAMETER1.219 INCHES NOMINAL IN
COIL QUANTITY9-1/2
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy P11550?
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 P11550?
P11550 is a SEAT COMPRESSION HE.
What is the NSN for P11550?
P11550 is cataloged in the U.S. Government catalog under NSN 5360-00-424-2734. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — P11550

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.