PartsTable
Technical Data Sheet
HNW-561B ✓ Verified by PartsTable
· 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: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL, nut_style: HEXAGON, nut_height: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-1366, 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
HNW-561B
NSN: 5310-00-167-1366
FSC: 5310
CAGE: 08289 — THE DELBERT BLINN CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
nut_styleHEXAGON
nut_height0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch32
nondefinitive_spec/std_data2 TYPE AND 13 STYLE
material_document_and_classificationQQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-167-1366
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HNW-561B · 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 CLASS: 2B
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE: 0.164 INCHES IN
THREAD QUANTITY PER INCH: 32
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
WIDTH ACROSS FLATS: 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD QUANTITY PER INCH32
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
WIDTH ACROSS FLATS0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
NUT STYLEHEXAGON
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE
MATERIALCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
3893460Interchangeable
interchangeable cross-reference
interchangeable
3634488Interchangeable
interchangeable cross-reference
interchangeable
4036927Interchangeable
interchangeable cross-reference
interchangeable
6058Interchangeable
interchangeable cross-reference
interchangeable
12364379-1Interchangeable
interchangeable cross-reference
interchangeable
529Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HNW-561B?
HNW-561B is a NUT,PLAIN,HEXAGON.
What parts can replace HNW-561B?
There are 28 known substitutes for HNW-561B: 3893460, 3634488, 4036927 and 25 more. Substitute compatibility should be verified for your specific system.
Is HNW-561B still available?
HNW-561B is currently cancelled.
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