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38K — BEARING,BALL,ANNULAR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

38K: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 0.3147 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN, overall_width: 0.2706 INCHES MINIMUM AND 0.2756 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, style_designator: NON-LOADING GROOVE, NON-SEPARABLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-137-3040, 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
38K
NSN: 5340-00-137-3040
NIINs: 001373040, 013668177
FSC: 5340 — Hardware, Commercial
CAGE: 14557 — STANLEY WORKS THE (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter0.3147 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN
overall_width0.2706 INCHES MINIMUM AND 0.2756 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.8657 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN
NSN5340-00-137-3040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 38K 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
•
FEATURES PROVIDED: SCREW AND STRIKE
•
SURFACE TREATMENT: ZINC HOUSING
•
MATERIAL: STEEL HOUSING
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDSCREW AND STRIKE
SPECIAL FEATURESUNIT PACKAGE QTY:25 TO 300;UNIT PACKAGE TYPE BOX:BOX OR CASE
SURFACE TREATMENTZINC HOUSING
MATERIALSTEEL HOUSING
SUBSTITUTES & CROSS-REFERENCES 2
38US2CReference document
Same NSN cross-reference
Reference document — Secondary reference
SP38-US2CReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 38K?
38K is a BEARING,BALL,ANNULAR.
What parts can replace 38K?
There are 2 known substitutes for 38K: 38US2C, SP38-US2C. Substitute compatibility should be verified for your specific system.
What is the NSN for 38K?
38K is cataloged in the U.S. Government catalog under NSN 5340-00-137-3040. 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.