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PartsTable / COMPONENT / FRSS7500-8-B-4DL
FRSS7500-8-B-4DL ✓ 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 SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 PRIMARY WASHER, head_style: FLAT CHAMFER, head_height: 0.495 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.420 INCHES NOMINAL IN, thread_length: 0.550 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-104-7313, 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
FRSS7500-8-B-4DL
NSN: 5305-01-104-7313
FSC: 5305
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 301 PRIMARY WASHER
head_styleFLAT CHAMFER
head_height0.495 INCHES NOMINAL IN
thread_class2A A
head_diameter0.420 INCHES NOMINAL IN
thread_length0.550 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
fastener_length1.045 INCHES MINIMUM AND 1.085 INCHES MAXIMUM IN
special_featuresSTRAIGHT KNURLED
thread_directionRIGHT-HAND
surface_treatmentANODIZE HEAD
end_item_identificationPATRIOT MISSILE
nominal_thread_diameter0.164 INCHES IN
NSN5305-01-104-7313
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FRSS7500-8-B-4DL · 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 DIAMETER: 0.420 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 303 FASTENER
•
SURFACE TREATMENT: PASSIVATE STAND-OFF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.420 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 FASTENER
SURFACE TREATMENTPASSIVATE STAND-OFF
MATERIALALUMINUM ALLOY 6061 HEAD
MATERIALSTEEL COMP 304 STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTANODIZE HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
481106-58Interchangeable
interchangeable cross-reference
interchangeable
FRB75000-8B4Interchangeable
interchangeable cross-reference
interchangeable
465508-05Interchangeable
interchangeable cross-reference
interchangeable
S1051Interchangeable
interchangeable cross-reference
interchangeable
12636Interchangeable
interchangeable cross-reference
interchangeable
1222-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FRSS7500-8-B-4DL?
FRSS7500-8-B-4DL is a SCREW ASSEMBLY,PANEL.
What parts can replace FRSS7500-8-B-4DL?
There are 12 known substitutes for FRSS7500-8-B-4DL: 481106-58, FRB75000-8B4, 465508-05 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FRSS7500-8-B-4DL?
FRSS7500-8-B-4DL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-104-7313. 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