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B550-A0015 — NUT,PLAIN,SLOTTED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B550-A0015: NUT,PLAIN,SLOTTED,HEXAGON.

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-520-1602, 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
B550-A0015
NSN: 5310-00-520-1602
FSC: 5310 — Nuts and Washers
CAGE: U3731 — OSHKOSH AEROTECH UK LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.438 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch14
NSN5310-00-520-1602
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B550-A0015 · 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: 1.438 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT HEIGHT: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
NUT STYLE: SLOTTED, HEXAGON
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 14
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.438 INCHES NOMINAL IN
THREAD SERIESUNS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT HEIGHT0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
NUT STYLESLOTTED, HEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
SUBSTITUTES & CROSS-REFERENCES 4
63A0175-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
35360098Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4600-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
B809-1305Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B550-A0015?
B550-A0015 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace B550-A0015?
There are 4 known substitutes for B550-A0015: 63A0175-2, 35360098, 4600-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B550-A0015?
B550-A0015 is cataloged in the U.S. Government catalog under NSN 5310-00-520-1602. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.