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AP391T-08H — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AP391T-08H: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, nut_style: HEXAGON, nut_height: 0.232 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNJS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-349-5596, 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
AP391T-08H
NSN: 5310-01-349-5596
FSC: 5310 — Nuts and Washers
CAGE: 01673 — SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
nut_styleHEXAGON
nut_height0.232 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
thread_class3B
thread_seriesUNJS
special_featuresTWO SAFETY WIRE HOLES 180 DEGREES APART DIAMETER OF HOLES MIN. 065 MAX. 075
thread_directionRIGHT-HAND
width_across_flats0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
nominal_thread_size0.718 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch20
NSN5310-01-349-5596
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AP391T-08H · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
WIDTH ACROSS FLATS: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
THREAD SERIES: UNJS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.718 INCHES IN
•
NUT HEIGHT: 0.232 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
WIDTH ACROSS FLATS0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
THREAD SERIESUNJS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.718 INCHES IN
NUT HEIGHT0.232 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
SPECIAL FEATURESTWO SAFETY WIRE HOLES 180 DEGREES APART DIAMETER OF HOLES MIN. 065 MAX. 075
NUT STYLEHEXAGON
THREAD CLASS3B
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
07A098-08LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AP391T-08H?
AP391T-08H is a NUT,PLAIN,HEXAGON.
What parts can replace AP391T-08H?
There is 1 known substitute for AP391T-08H: 07A098-08L. Substitute compatibility should be verified for your specific system.
What is the NSN for AP391T-08H?
AP391T-08H is cataloged in the U.S. Government catalog under NSN 5310-01-349-5596. This indicates validated use in U.S. government and defense supply chains.
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