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10978SP — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10978SP: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include end_diameter: 0.710 INCHES NOMINAL IN, overall_height: 0.620 INCHES NOMINAL IN, first_step_diameter: 0.970 INCHES NOMINAL IN, end_item_identification: 2355-01- 641-6691, part_name_assigned_by_controlling_agency: SPRING RETAINER ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-600-4779, 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
10978SP
NSN: 5340-01-600-4779
NIINs: 016004779, 016534676
FSC: 5340 — Hardware, Commercial
CAGE: 0VUL5 — NORTH AMERICAN CONTROLS INC DBA NORTH AMERICAN CONTROLS INC (USA)
SPECIFICATIONS
end_diameter0.710 INCHES NOMINAL IN
overall_height0.620 INCHES NOMINAL IN
first_step_diameter0.970 INCHES NOMINAL IN
end_item_identification2355-01- 641-6691
part_name_assigned_by_controlling_agencySPRING RETAINER ASSEMBLY
NSN5340-01-600-4779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10978SP 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: 0.970 INCHES NOMINAL IN
•
END DIAMETER: 0.710 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.620 INCHES NOMINAL IN
FIRST STEP DIAMETER0.970 INCHES NOMINAL IN
END DIAMETER0.710 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING RETAINER ASSEMBLY
END ITEM IDENTIFICATIONSTRYKER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10978SP?
10978SP is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 10978SP?
10978SP is cataloged in the U.S. Government catalog under NSN 5340-01-600-4779. This indicates validated use in U.S. government and defense supply chains.
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