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PartsTable / COMPONENT / NAS-451-55
NAS-451-55 ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010, head_height: 0.094 INCHES NOMINAL IN, overall_height: 0.406 INCHES NOMINAL IN, prong_quantity: 12, style_designator: STANDARD, surface_treatment: CADMIUM OR ZINC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-270-8532, 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
NAS-451-55
NSN: 5340-00-270-8532
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 1010
head_height0.094 INCHES NOMINAL IN
overall_height0.406 INCHES NOMINAL IN
prong_quantity12
style_designatorSTANDARD
surface_treatmentCADMIUM OR ZINC
head_outside_diameter1.641 INCHES NOMINAL IN
prong_outside_diameter1.525 INCHES NOMINAL IN
hole_accommodation_diameter1.500 INCHES NOMINAL IN
material_accommodated_thickness0.037 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
material_document_and_classificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-270-8532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS-451-55 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
•
HEAD OUTSIDE DIAMETER: 1.641 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC
•
MATERIAL ACCOMMODATED THICKNESS: 0.037 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010
•
HEAD HEIGHT: 0.094 INCHES NOMINAL IN
•
PRONG OUTSIDE DIAMETER: 1.525 INCHES NOMINAL IN
•
HOLE ACCOMMODATION DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
HEAD OUTSIDE DIAMETER1.641 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC
MATERIAL ACCOMMODATED THICKNESS0.037 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010
HEAD HEIGHT0.094 INCHES NOMINAL IN
PRONG OUTSIDE DIAMETER1.525 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
PRONG QUANTITY12
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
45155Interchangeable
interchangeable cross-reference
interchangeable
667279Interchangeable
interchangeable cross-reference
interchangeable
2213 4524-002Interchangeable
interchangeable cross-reference
interchangeable
527722Interchangeable
interchangeable cross-reference
interchangeable
48132Interchangeable
interchangeable cross-reference
interchangeable
5120PL1736765Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS-451-55?
NAS-451-55 is a BUTTON,PLUG.
What parts can replace NAS-451-55?
There are 13 known substitutes for NAS-451-55: 45155, 667279, 2213 4524-002 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS-451-55?
NAS-451-55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-270-8532. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026