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Technical Data Sheet
PartsTable / COMPONENT / PWA56338-8
PWA56338-8 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, fastener_length: 3.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-879-8351, 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
PWA56338-8
NSN: 5305-00-879-8351
FSC: 5305
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
fastener_length3.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
NSN5305-00-879-8351
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PWA56338-8 · 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: HEXAGON
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.250 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
FASTENER LENGTH3.250 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD QUANTITY PER INCH16
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
0L-1352Interchangeable
interchangeable cross-reference
interchangeable
16KP204Interchangeable
interchangeable cross-reference
interchangeable
68930-9Interchangeable
interchangeable cross-reference
interchangeable
MS35307-371Interchangeable
Same NIIN cross-reference
interchangeable
2248480Interchangeable
Same NIIN cross-reference
interchangeable
014-0016-30Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PWA56338-8?
PWA56338-8 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace PWA56338-8?
There are 8 known substitutes for PWA56338-8: 0L-1352, 16KP204, 68930-9 and 5 more. Substitute compatibility should be verified for your specific system.
Is PWA56338-8 still available?
PWA56338-8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026