ZL8993-5-3 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ZL8993-5-3: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, temp_rating: 1200.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), locking_feature: PREVAILING TORQUE ALL METAL DESIGN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-181-6769, 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

ZL8993-5-3

NSN: 5310-00-181-6769
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
temp_rating	1200.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
nominal_thread_size	0.190 INCHES IN
counterbore_diameter	0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM NUT IN
nut_counterbore_depth	0.061 INCHES MINIMUM AND 0.081 INCHES MAXIMUM NUT IN
thread_quantity_per_inch	32
material_document_and_classification	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-181-6769

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 1200.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NUT COUNTERBORE DEPTH: 0.061 INCHES MINIMUM AND 0.081 INCHES MAXIMUM NUT IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.190 INCHES IN

•

COUNTERBORE DIAMETER: 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM NUT IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	1200.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.061 INCHES MINIMUM AND 0.081 INCHES MAXIMUM NUT IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.190 INCHES IN
COUNTERBORE DIAMETER	0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM NUT IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
THREAD CLASS	3B
THREAD QUANTITY PER INCH	32

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

6859511-03Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ZL8993-5-3?

ZL8993-5-3 is a NUT,SELF-LOCKING,CLINCH.

What parts can replace ZL8993-5-3?

There is 1 known substitute for ZL8993-5-3: 6859511-03. Substitute compatibility should be verified for your specific system.

What is the NSN for ZL8993-5-3?

ZL8993-5-3 is cataloged in the U.S. Government catalog under NSN 5310-00-181-6769. This indicates validated use in U.S. government and defense supply chains.

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