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158334 PIECE 13 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

158334 PIECE 13: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, hole_diameter: 1.562 INCHES NOMINAL IN, outside_diameter: 2.875 INCHES NOMINAL IN, material_thickness: 0.125 INCHES NOMINAL IN, external_straight_key_width: 1.125 INCHES NOMINAL IN, external_straight_key_length: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-441-1663, 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
158334 PIECE 13
NSN: 5310-01-441-1663
FSC: 5310 — Nuts and Washers
CAGE: 13344 — NEWTERRA CORPORATION, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
hole_diameter1.562 INCHES NOMINAL IN
outside_diameter2.875 INCHES NOMINAL IN
material_thickness0.125 INCHES NOMINAL IN
external_straight_key_width1.125 INCHES NOMINAL IN
external_straight_key_length1.500 INCHES NOMINAL IN
material_document_and_classificationASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-441-1663
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 158334 PIECE 13 · 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
•
EXTERNAL STRAIGHT KEY LENGTH: 1.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 1.125 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
HOLE DIAMETER: 1.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EXTERNAL STRAIGHT KEY LENGTH1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH1.125 INCHES NOMINAL IN
MATERIALNICKEL ALLOY 400 OVERALL
HOLE DIAMETER1.562 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 158334 PIECE 13?
158334 PIECE 13 is a WASHER,KEY.
What is the NSN for 158334 PIECE 13?
158334 PIECE 13 is cataloged in the U.S. Government catalog under NSN 5310-01-441-1663. 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.