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Technical Data Sheet
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0.75010UNC3A2.000T2G4340SEB — Technical Data Sheet

✓ 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: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: HEXAGON, head_height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.750 INCHES NOMINAL IN, fastener_length: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-426-3158, 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
0.75010UNC3A2.000T2G4340SEB
NSN: 5305-01-426-3158
FSC: 5305
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleHEXAGON
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class3A A
thread_length1.750 INCHES NOMINAL IN
fastener_length2.000 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP THREADS
thread_directionRIGHT-HAND
width_between_flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch10
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-426-3158
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.75010UNC3A2.000T2G4340SEB · 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 CLASS: 3A A
•
THREAD QUANTITY PER INCH: 10
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING FEATURE
•
WIDTH BETWEEN FLATS: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
LOCKING FEATURE: PATCH OR PELLET OR STRIP THREADS
TECHNICAL CHARACTERISTICS
THREAD CLASS3A A
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALSTEEL OVERALL
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD LENGTH1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
803-5001003 PIECE NO. 156InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE IIL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
QQ-N-286 GRADE 500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6405215 FN 17InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6405215 FN 17L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE IIInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.75010UNC3A2.000T2G4340SEB?
0.75010UNC3A2.000T2G4340SEB is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 0.75010UNC3A2.000T2G4340SEB?
There are 27 known substitutes for 0.75010UNC3A2.000T2G4340SEB: 803-5001003 PIECE NO. 156, MIL-DTL-1222 TYPE IIL1, QQ-N-286 GRADE 500 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.75010UNC3A2.000T2G4340SEB?
0.75010UNC3A2.000T2G4340SEB is cataloged in the Federal Logistics Information System under NSN 5305-01-426-3158. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026