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548054 — BEARING,UPPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

548054: BEARING,UPPER.

The BEARING,UPPER is a the manufacturer industrial component. Key specifications include material: STEEL, heat_treatment: ANNEALED, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 1.500 INCHES NOMINAL IN, first_leg_length: 0.880 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-075-2669, 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
548054
NSN: 5340-00-075-2669
NIINs: 000752669, 003758357
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
heat_treatmentANNEALED
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width1.500 INCHES NOMINAL IN
first_leg_length0.880 INCHES NOMINAL IN
second_leg_styleEND RADIUS AND TAPERED
second_leg_width1.786 INCHES NOMINAL IN
style_designatorANGLE
second_leg_length2.111 INCHES NOMINAL IN
first_leg_thickness0.120 INCHES NOMINAL IN
second_leg_thickness0.120 INCHES NOMINAL IN
NSN5340-00-075-2669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 548054 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 DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.250 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.282 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
•
SECOND LEG WIDTH: 1.786 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 2.111 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: NO HOLE
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.250 INCHES NOMINAL IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.282 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
SECOND LEG WIDTH1.786 INCHES NOMINAL IN
SECOND LEG LENGTH2.111 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLENO HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH1.500 INCHES NOMINAL IN
HEAT TREATMENTANNEALED
STYLE DESIGNATORANGLE
SUBSTITUTES & CROSS-REFERENCES 2
3P50004-261Reference document
Same NSN cross-reference
Reference document — Secondary reference
488003Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 548054?
548054 is a BEARING,UPPER.
What parts can replace 548054?
There are 2 known substitutes for 548054: 3P50004-261, 488003. Substitute compatibility should be verified for your specific system.
What is the NSN for 548054?
548054 is cataloged in the U.S. Government catalog under NSN 5340-00-075-2669. 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.