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Technical Data Sheet
PartsTable / COMPONENT / 51876-1
51876-1 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 8630, body_length: 1.250 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, turn_quantity: 20 SINGLE COMPONENT SINGLE WINDING, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: OPEN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-228-3336, 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
51876-1
NSN: 5340-00-228-3336
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 8630
body_length1.250 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
turn_quantity20 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeOPEN
quality_factor45 MINIMUM SINGLE COMPONENT SINGLE WINDING
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleEND RADIUS
first_leg_width0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING SINGLE GROUP
first_leg_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
NSN5340-00-228-3336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51876-1 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
•
SECOND LEG HOLE ARRANGEMENT STYLE: ONE HOLE
•
STYLE DESIGNATOR: ANGLE
•
FIRST LEG LENGTH: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 0.312 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
•
SECOND LEG WIDTH: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG END RADIUS: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND LEG HOLE ARRANGEMENT STYLEONE HOLE
STYLE DESIGNATORANGLE
FIRST LEG LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.312 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
SECOND LEG WIDTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG END RADIUS0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
SECOND LEG LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
MOUNTING HOLE TYPEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
94-556-1032-01-00-00Interchangeable
interchangeable cross-reference
interchangeable
51876-1Interchangeable
interchangeable cross-reference
interchangeable
41022-1Interchangeable
interchangeable cross-reference
interchangeable
7376128Interchangeable
interchangeable cross-reference
interchangeable
NAS1411A013A021Interchangeable
interchangeable cross-reference
interchangeable
5019846-004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51876-1?
51876-1 is a COIL,RADIO FREQUENCY.
What parts can replace 51876-1?
There are 6 known substitutes for 51876-1: 94-556-1032-01-00-00, 51876-1, 41022-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51876-1?
51876-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-228-3336. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026