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11609964 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11609964: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.6875 INCHES NOMINAL IN, bore_diameter: 0.5880 INCHES NOMINAL IN, overall_height: 0.7300 INCHES NOMINAL IN, special_features: BASE COUNTERBORED 0.9800 IN. MIN,0.9900 IN.

MAX DIA BY 0.9900 IN. DEEP IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-930-5436, 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
11609964
NSN: 5340-00-930-5436
FSC: 5340 — Hardware, Commercial
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.6875 INCHES NOMINAL IN
bore_diameter0.5880 INCHES NOMINAL IN
overall_height0.7300 INCHES NOMINAL IN
special_featuresBASE COUNTERBORED 0.9800 IN. MIN,0.9900 IN. MAX DIA BY 0.9900 IN. DEEP IN
style_designatorSEAT
bore_taper_in_deg7.0
features_providedCASEHARDENED
first_step_length0.2000 INCHES NOMINAL IN
first_step_diameter1.2000 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN
chamfer_angle_in_deg12.0
NSN5340-00-930-5436
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11609964 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
•
FIRST STEP DIAMETER: 1.2000 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 58.0 ROCKWELL C NOMINAL
•
END DIAMETER: 0.6875 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.4075 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7300 INCHES NOMINAL IN
FIRST STEP DIAMETER1.2000 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING58.0 ROCKWELL C NOMINAL
END DIAMETER0.6875 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.4075 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
FEATURES PROVIDEDCASEHARDENED
SECOND STEP DIAMETER1.6200 INCHES NOMINAL IN
BORE TAPER IN DEG7.0
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
2815009305436Reference document
Same NSN cross-reference
Reference document — Secondary reference
0375601-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11609964?
11609964 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 11609964?
There are 2 known substitutes for 11609964: 2815009305436, 0375601-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 11609964?
11609964 is cataloged in the U.S. Government catalog under NSN 5340-00-930-5436. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.