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918989C1 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

918989C1: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL EXCEPT INSERT, nut_style: ROUND, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 2.517 INCHES MINIMUM AND 2.532 INCHES MAXIMUM IN, nut_thickness: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, thread_series: UNS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-070-1584, 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
918989C1
NSN: 5310-01-070-1584
FSC: 5310 — Nuts and Washers
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL EXCEPT INSERT
nut_styleROUND
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
nut_diameter2.517 INCHES MINIMUM AND 2.532 INCHES MAXIMUM IN
nut_thickness0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
thread_seriesUNS
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
drive_point_depth0.094 INCHES NOMINAL IN
drive_point_width0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_treatmentOXIDE OR PHOSPHATE OVERALL EXCEPT INSERT
small_end_diameter2.141 INCHES NOMINAL IN
NSN5310-01-070-1584
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 918989C1 · 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
•
THREAD SERIES: UNS
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
THREAD PITCH DIAMETERS: +1.7309 TO 1.7354 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 492 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
•
DRIVE POINT WIDTH: 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.767 INCHES IN
•
NUT DIAMETER: 2.517 INCHES MINIMUM AND 2.532 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
THREAD PITCH DIAMETERS+1.7309 TO 1.7354 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 492 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
DRIVE POINT WIDTH0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.767 INCHES IN
NUT DIAMETER2.517 INCHES MINIMUM AND 2.532 INCHES MAXIMUM IN
DRIVE POINT DEPTH0.094 INCHES NOMINAL IN
UNDERCUT THICKNESS0.194 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 918989C1?
918989C1 is a NUT,SELF-LOCKING,ROUND.
What is the NSN for 918989C1?
918989C1 is cataloged in the U.S. Government catalog under NSN 5310-01-070-1584. This indicates validated use in U.S. government and defense supply chains.
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