PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5310000448-00
5310000448-00 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CHAMFER SERRATED FLANGE, head_height: 0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN, fastener_length: 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-556-6439, 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
5310000448-00
NSN: 5306-01-556-6439
FSC: 5306
CAGE: SL592 — LEHAVOT FIRE PROTECTION (ISR)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleCHAMFER SERRATED FLANGE
head_height0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
thread_class2A A
thread_length1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
fastener_length1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
special_featuresCASE HARDNESS RATED AT ROCKWELL C 40.0 MINIMUM; CASE DEPTH IS 0.005 TO 0.011 INCHES; CORE HARDNESS IS RATED ROCKWELL C 25.0 TO 34.0 IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentZINC OVERALL
width_between_flats0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
end_item_identificationMRAP - UNIQUE NSN - MAXXPRO CAT I
NSN5306-01-556-6439
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5310000448-00 · 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
•
WIDTH BETWEEN FLATS: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 16
•
THREAD CLASS: 2A A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SPECIAL FEATURESCASE HARDNESS RATED AT ROCKWELL C 40.0 MINIMUM; CASE DEPTH IS 0.005 TO 0.011 INCHES; CORE HARDNESS IS RATED ROCKWELL C 25.0 TO 34.0 IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
THREAD CLASS2A A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F1941, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
SURFACE TREATMENTZINC OVERALL
FEATURES PROVIDEDCASEHARDENED
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
34-457AInterchangeable
interchangeable cross-reference
interchangeable
19935Interchangeable
interchangeable cross-reference
interchangeable
242306Interchangeable
interchangeable cross-reference
interchangeable
ZZ90005Interchangeable
interchangeable cross-reference
interchangeable
83417Interchangeable
interchangeable cross-reference
interchangeable
BNP55-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310000448-00?
5310000448-00 is a BOLT,MACHINE.
What parts can replace 5310000448-00?
There are 6 known substitutes for 5310000448-00: 34-457A, 19935, 242306 and 3 more. Substitute compatibility should be verified for your specific system.
Is 5310000448-00 still available?
5310000448-00 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026