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Technical Data Sheet
PartsTable / COMPONENT / 503882
503882 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1042 OVERALL, nut_style: PLATE, nut_height: 0.138 INCHES MAXIMUM IN, nut_length: 0.416 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN, plate_width: 0.216 INCHES MAXIMUM IN, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-050-3882, 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
503882
NSN: 5305-00-050-3882
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 1042 OVERALL
nut_stylePLATE
nut_height0.138 INCHES MAXIMUM IN
nut_length0.416 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
plate_width0.216 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNJC
hardness_rating29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
NSN5305-00-050-3882
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503882 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL COMP 303 OVERALL
•
FASTENER LENGTH: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 64
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL COMP 303 OVERALL
FASTENER LENGTH0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH64
POINT STYLEFLAT
NOMINAL THREAD DIAMETER0.086 INCHES IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
503883Interchangeable
interchangeable cross-reference
interchangeable
D52LHA7438S62Interchangeable
interchangeable cross-reference
interchangeable
62411-632Interchangeable
interchangeable cross-reference
interchangeable
FF-S-210Interchangeable
Same NIIN cross-reference
interchangeable
FF-S-210 TYPE 2 STYLE 1Interchangeable
Same NIIN cross-reference
interchangeable
FFS103TYPE2STYLE1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503882?
503882 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 503882?
There are 6 known substitutes for 503882: 503883, D52LHA7438S62, 62411-632 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503882?
503882 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-050-3882. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026