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A51H20536-11 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A51H20536-11: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.343 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT (UNJ), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-007-2818, 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
A51H20536-11
NSN: 5310-00-007-2818
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
nut_styleHEXAGON
nut_height0.343 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT (UNJ)
thread_directionRIGHT-HAND
countersink_angle120.0 DEGREES NOMINAL NUT
width_across_flats1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
nominal_thread_size0.812 INCHES IN
bearing_surface_typeCHAMFERED
drilled_hole_diameter0.047 INCHES NOMINAL IN
bearing_surface_finish125.0 MICROINCHES
NSN5310-00-007-2818
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A51H20536-11 · 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
•
WIDTH ACROSS FLATS: 1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
MATERIAL DOCUMENT AND CLASSIFICATION: GM 3111 6AL-6V-2SN FSCM 26523 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.812 INCHES IN
•
NUT HEIGHT: 0.343 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
BEARING SURFACE FINISH125.0 MICROINCHES
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
HOLE CONFIGURATION STYLECONFIGURATION B
MATERIAL DOCUMENT AND CLASSIFICATIONGM 3111 6AL-6V-2SN FSCM 26523 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.812 INCHES IN
NUT HEIGHT0.343 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.047 INCHES NOMINAL IN
COUNTERSINK ANGLE120.0 DEGREES NOMINAL NUT
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 A51H20536-11?
A51H20536-11 is a NUT,PLAIN,HEXAGON.
What is the NSN for A51H20536-11?
A51H20536-11 is cataloged in the U.S. Government catalog under NSN 5310-00-007-2818. This indicates validated use in U.S. government and defense supply chains.
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