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Technical Data Sheet
PartsTable / COMPONENT / P68043
P68043 ✓ 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 BREATHER is a the manufacturer industrial component. Key specifications include material: FIBER AND RUBBER BODY, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, nominal_width: 1.500 INCHES IN, thread_length: 0.338 INCHES MINIMUM 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 5305-00-150-9760, 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
P68043
NSN: 5305-00-150-9760
FSC: 5305
CAGE: 28528 — ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
nominal_width1.500 INCHES IN
thread_length0.338 INCHES MINIMUM IN
overall_length2.190 INCHES MAXIMUM IN
screw_materialSTEEL
connection_typeTHREADED
fastener_length0.438 INCHES NOMINAL IN
outside_diameter2.350 INCHES MAXIMUM IN
performance_typeHEAVY DUTY
NSN5305-00-150-9760
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P68043 · 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
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
•
HEAD STYLE: FLAT COUNTERSUNK
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
THREAD LENGTH: 0.338 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH0.438 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
HEAD STYLEFLAT COUNTERSUNK
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH0.338 INCHES MINIMUM IN
SCREW SURFACE TREATMENTCADMIUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
202243Interchangeable
interchangeable cross-reference
interchangeable
P68043Interchangeable
interchangeable cross-reference
interchangeable
LT1-1375Interchangeable
interchangeable cross-reference
interchangeable
540H10Interchangeable
interchangeable cross-reference
interchangeable
540H150Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P68043?
P68043 is a BREATHER.
What parts can replace P68043?
There are 7 known substitutes for P68043: 202243, P68043, LT1-1375 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P68043?
P68043 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-150-9760. 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