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PartsTable / COMPONENT / NAS-451-38
NAS-451-38 ✓ 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: 0.234 INCHES NOMINAL IN, overall_height: 0.641 INCHES NOMINAL IN, prong_quantity: 12, style_designator: STANDARD, surface_treatment: CADMIUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-270-8546, 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-451-38
NSN: 5340-00-270-8546
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_height0.234 INCHES NOMINAL IN
overall_height0.641 INCHES NOMINAL IN
prong_quantity12
style_designatorSTANDARD
surface_treatmentCADMIUM
head_outside_diameter3.312 INCHES NOMINAL IN
prong_outside_diameter3.062 INCHES NOMINAL IN
hole_accommodation_diameter3.000 INCHES NOMINAL IN
material_accommodated_thickness0.093 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
material_document_and_classificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-270-8546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS-451-38 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: 3.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL ACCOMMODATED THICKNESS: 0.093 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
PRONG QUANTITY: 12
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
•
HOLE ACCOMMODATION DIAMETER: 3.000 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010
TECHNICAL CHARACTERISTICS (FLIS)
HEAD OUTSIDE DIAMETER3.312 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
MATERIAL ACCOMMODATED THICKNESS0.093 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
PRONG QUANTITY12
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
HOLE ACCOMMODATION DIAMETER3.000 INCHES NOMINAL IN
HEAD HEIGHT0.234 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010
OVERALL HEIGHT0.641 INCHES NOMINAL IN
PRONG OUTSIDE DIAMETER3.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
0209889-5Interchangeable
interchangeable cross-reference
interchangeable
NR16AInterchangeable
interchangeable cross-reference
interchangeable
0209989Interchangeable
interchangeable cross-reference
interchangeable
W103-004.0Interchangeable
interchangeable cross-reference
interchangeable
2878S-GOV-01 REF. N0. SHEET 7Interchangeable
interchangeable cross-reference
interchangeable
48197Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS-451-38?
NAS-451-38 is a BUTTON,PLUG.
What parts can replace NAS-451-38?
There are 7 known substitutes for NAS-451-38: 0209889-5, NR16A, 0209989 and 4 more. Substitute compatibility should be verified for your specific system.
Is NAS-451-38 still available?
NAS-451-38 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026