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150888 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

150888: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OR STEEL COMP 1045 OVERALL, overall_width: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, overall_height: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, overall_length: 3.62 INCHES NOMINAL IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-689-3781, 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
150888
NSN: 5315-01-689-3781
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76474 — EMERSON POWER TRANSMISSION CORPORATION DIV EPT (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OR STEEL COMP 1045 OVERALL
overall_width0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
overall_height0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
overall_length3.62 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
key_chamfer_angle45.0 DEGREES NOMINAL
starting_edge_shapeCHAMFERED
part_name_assigned_by_controlling_agencyKEY
NSN5315-01-689-3781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 150888 · 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
•
KEY CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: CHAMFERED
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
KEY CHAMFER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPECHAMFERED
STYLE DESIGNATORPLAIN
OVERALL LENGTH3.62 INCHES NOMINAL IN
OVERALL WIDTH0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY
MATERIALSTEEL COMP 1035 OR STEEL COMP 1045 OVERALL
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 1
31000-324Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 150888?
150888 is a KEY,MACHINE.
What parts can replace 150888?
There is 1 known substitute for 150888: 31000-324. Substitute compatibility should be verified for your specific system.
What is the NSN for 150888?
150888 is cataloged in the U.S. Government catalog under NSN 5315-01-689-3781. This indicates validated use in U.S. government and defense supply chains.
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