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16H1716-23 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

16H1716-23: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.530 INCHES NOMINAL IN, outside_diameter: 3.000 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.071 INCHES NOMINAL IN, external_straight_key_width: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-043-7342, 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
16H1716-23
NSN: 5310-01-043-7342
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.530 INCHES NOMINAL IN
outside_diameter3.000 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.071 INCHES NOMINAL IN
external_key_quantity2
internal_key_quantity1
external_straight_key_width0.125 INCHES NOMINAL IN
internal_straight_key_width0.125 INCHES NOMINAL IN
overall_distance_including_keys3.380 INCHES NOMINAL IN
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key1.169 INCHES NOMINAL IN
NSN5310-01-043-7342
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 16H1716-23 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.125 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 1.169 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 3.380 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.071 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.125 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY1.169 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS3.380 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.071 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.125 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY2
MATERIALSTEEL OVERALL
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 1
16H1716-17Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 16H1716-23?
16H1716-23 is a WASHER,KEY.
What parts can replace 16H1716-23?
There is 1 known substitute for 16H1716-23: 16H1716-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 16H1716-23?
16H1716-23 is cataloged in the U.S. Government catalog under NSN 5310-01-043-7342. 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.