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158334 PIECE 17 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

158334 PIECE 17: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, hole_diameter: 2.062 INCHES NOMINAL IN, outside_diameter: 3.875 INCHES NOMINAL IN, material_thickness: 0.125 INCHES NOMINAL IN, angle_between_external_keys: 45.0 DEGREES NOMINAL, external_straight_key_width: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-441-1664, 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 17
NSN: 5310-01-441-1664
FSC: 5310 — Nuts and Washers
CAGE: 13344 — NEWTERRA CORPORATION, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
hole_diameter2.062 INCHES NOMINAL IN
outside_diameter3.875 INCHES NOMINAL IN
material_thickness0.125 INCHES NOMINAL IN
angle_between_external_keys45.0 DEGREES NOMINAL
external_straight_key_width1.500 INCHES NOMINAL IN
material_document_and_classificationASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-441-1664
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 158334 PIECE 17 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 1.500 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
ANGLE BETWEEN EXTERNAL KEYS: 45.0 DEGREES NOMINAL
•
HOLE DIAMETER: 2.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B-127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH1.500 INCHES NOMINAL IN
MATERIALNICKEL ALLOY 400 OVERALL
ANGLE BETWEEN EXTERNAL KEYS45.0 DEGREES NOMINAL
HOLE DIAMETER2.062 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 17?
158334 PIECE 17 is a WASHER,KEY.
What is the NSN for 158334 PIECE 17?
158334 PIECE 17 is cataloged in the U.S. Government catalog under NSN 5310-01-441-1664. 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.