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98870A160 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98870A160: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.187 INCHES NOMINAL IN, overall_length: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN, hardness_rating: 85.0 ROCKWELL B NOMINAL OVERALL, special_features: TENSILE STRENGTH IS 82,000 PSI; SQUARE ENDS UNDERSIZED; 0.187 SQUARE, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-559-7203, 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
98870A160
NSN: 5315-01-559-7203
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.187 INCHES NOMINAL IN
overall_length1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
hardness_rating85.0 ROCKWELL B NOMINAL OVERALL
special_featuresTENSILE STRENGTH IS 82,000 PSI; SQUARE ENDS UNDERSIZED; 0.187 SQUARE
style_designatorPLAIN
end_item_identificationOASIS/OAMCM MISSION KIT SPT TYP 1; VALVE, VENT-C
NSN5315-01-559-7203
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98870A160 · 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: 85.0 ROCKWELL B NOMINAL OVERALL
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING85.0 ROCKWELL B NOMINAL OVERALL
STYLE DESIGNATORPLAIN
OVERALL LENGTH1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
OVERALL WIDTH0.187 INCHES NOMINAL IN
SPECIAL FEATURESTENSILE STRENGTH IS 82,000 PSI; SQUARE ENDS UNDERSIZED; 0.187 SQUARE
END ITEM IDENTIFICATIONOASIS/OAMCM MISSION KIT SPT TYP 1; VALVE, VENT-C
MATERIALSTEEL 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

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 98870A160?
98870A160 is a KEY,MACHINE.
What is the NSN for 98870A160?
98870A160 is cataloged in the U.S. Government catalog under NSN 5315-01-559-7203. 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.