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631-9899-001 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

631-9899-001: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flat_height: 0.135 INCHES NOMINAL IN, overall_width: 0.142 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN, overall_height: 0.385 INCHES NOMINAL IN, overall_length: 0.350 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-024-6388, 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
631-9899-001
NSN: 5315-01-024-6388
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flat_height0.135 INCHES NOMINAL IN
overall_width0.142 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
overall_height0.385 INCHES NOMINAL IN
overall_length0.350 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN W/ROUND JOURNAL
first_flat_length0.114 INCHES NOMINAL IN
starting_edge_shapeSTRAIGHT
NSN5315-01-024-6388
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 631-9899-001 · 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
•
FIRST FLAT LENGTH: 0.114 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN W/ROUND JOURNAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.385 INCHES NOMINAL IN
FIRST FLAT LENGTH0.114 INCHES NOMINAL IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN W/ROUND JOURNAL
OVERALL LENGTH0.350 INCHES NOMINAL IN
OVERALL WIDTH0.142 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
FLAT HEIGHT0.135 INCHES NOMINAL 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 631-9899-001?
631-9899-001 is a KEY,MACHINE.
What is the NSN for 631-9899-001?
631-9899-001 is cataloged in the U.S. Government catalog under NSN 5315-01-024-6388. This indicates validated use in U.S. government and defense supply chains.
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