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Technical Data Sheet

JB1-1/4X12 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

JB1-1/4X12: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN, material: STEEL OVERALL, overall_length: 0.750 INCHES NOMINAL IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, material_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-259-0314, 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
JB1-1/4X12
NSN: 5315-01-259-0314
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 52374 — FLOWSERVE CORP DBA AUTOMAX ACTUATORS DIV FLOWSERVE US COMPANY (USA)
SPECIFICATIONS
diameter0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
materialSTEEL OVERALL
overall_length0.750 INCHES NOMINAL IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.050 INCHES NOMINAL IN
NSN5315-01-259-0314
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: JB1-1/4X12 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
DIAMETER: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
DIAMETER0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
OVERALL LENGTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
1-4 X 12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
01-515-0007-4-58Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JB1-1/4X12?
JB1-1/4X12 is a PIN,SPRING.
What parts can replace JB1-1/4X12?
There are 2 known substitutes for JB1-1/4X12: 1-4 X 12, 01-515-0007-4-58. Substitute compatibility should be verified for your specific system.
What is the NSN for JB1-1/4X12?
JB1-1/4X12 is cataloged in the U.S. Government catalog under NSN 5315-01-259-0314. 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.