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642AS7003 — RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

642AS7003: RETAINER.

The RETAINER is a the manufacturer industrial component. Key specifications include width: 0.417 INCHES NOMINAL IN, height: 0.360 INCHES NOMINAL IN, length: 0.400 INCHES NOMINAL IN, material: STEEL COMP 303, hole_diameter: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, furnished_items: LOCKNUT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-027-8796, 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
642AS7003
NSN: 5340-01-027-8796
NIINs: 010278796, 010928060
FSC: 5340 — Hardware, Commercial
CAGE: 05824 — AEROJET ROCKETDYNE INC (USA)
SPECIFICATIONS
width0.417 INCHES NOMINAL IN
height0.360 INCHES NOMINAL IN
length0.400 INCHES NOMINAL IN
materialSTEEL COMP 303
hole_diameter0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
furnished_itemsLOCKNUT
special_featuresLOCKLEG 10 DEGREE ANGLE
surface_treatmentPASSIVATE
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-027-8796
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 642AS7003 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: 0.400 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
•
HEIGHT: 0.360 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
WIDTH: 0.417 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
LENGTH0.400 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
HEIGHT0.360 INCHES NOMINAL IN
SPECIAL FEATURESLOCKLEG 10 DEGREE ANGLE
SURFACE TREATMENTPASSIVATE
WIDTH0.417 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
FURNISHED ITEMSLOCKNUT
HOLE DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 642AS7003?
642AS7003 is a RETAINER.
What is the NSN for 642AS7003?
642AS7003 is cataloged in the U.S. Government catalog under NSN 5340-01-027-8796. 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.