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B71847 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B71847: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, overall_height: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, overall_length: 0.938 INCHES NOMINAL IN, style_designator: PLAIN, countersink_angle: 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-137-7180, 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
B71847
NSN: 5315-01-137-7180
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 05825 — O T S I (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
overall_height0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
overall_length0.938 INCHES NOMINAL IN
style_designatorPLAIN
countersink_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
mounting_hole_depth0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
starting_edge_shapeSTRAIGHT
mounting_hole_diameter0.112 INCHES NOMINAL IN
mounting_hole_thread_class2B
mounting_hole_type_and_quantity1 THREADED-COUNTERSUNK
mounting_hole_nominal_thread_size0.112 INCHES IN
NSN5315-01-137-7180
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B71847 · 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
•
MOUNTING HOLE TYPE AND QUANTITY: 1 THREADED-COUNTERSUNK
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MOUNTING HOLE DIAMETER: 0.112 INCHES NOMINAL IN
•
DISTANCE FROM MOUNTING HOLE CENTER TO END: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
MOUNTING HOLE TYPE AND QUANTITY1 THREADED-COUNTERSUNK
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
MOUNTING HOLE DIAMETER0.112 INCHES NOMINAL IN
OVERALL LENGTH0.938 INCHES NOMINAL IN
OVERALL WIDTH0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
DISTANCE FROM MOUNTING HOLE CENTER TO END0.469 INCHES NOMINAL IN
MOUNTING HOLE THREAD CLASS2B
MOUNTING HOLE NOMINAL THREAD SIZE0.112 INCHES IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 B71847?
B71847 is a KEY,MACHINE.
What is the NSN for B71847?
B71847 is cataloged in the U.S. Government catalog under NSN 5315-01-137-7180. This indicates validated use in U.S. government and defense supply chains.
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