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Technical Data Sheet

MIL-B-857 TY 5,STY B — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-01-202-3428, 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
MIL-B-857 TY 5,STY B
NSN: 5310-01-202-3428
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
nut_height0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch8
criticality_code_justificationZZZY
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-202-3428
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-B-857 TY 5,STY B · 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 DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 8
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT HEIGHT: 0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH8
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE1.000 INCHES IN
CRITICALITY CODE JUSTIFICATIONZZZY
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT HEIGHT0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
WIDTH ACROSS FLATS1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MIL-S-1222GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-S-1222G 1IN 8UNCInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
001.000-08UNC-2BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILS1222G 1-8UNC2B TY 1 STY AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-S-1222G QQ-S-763D COND AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-S-1222/QQ-S-763InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-857 TY 5,STY B?
MIL-B-857 TY 5,STY B is a NUT,PLAIN,HEXAGON.
What parts can replace MIL-B-857 TY 5,STY B?
There are 9 known substitutes for MIL-B-857 TY 5,STY B: MIL-S-1222G, MIL-S-1222G 1IN 8UNC, 001.000-08UNC-2B and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-857 TY 5,STY B?
MIL-B-857 TY 5,STY B is cataloged in the Federal Logistics Information System under NSN 5310-01-202-3428. This indicates validated use in U.S. government and defense supply chains.
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