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123-6078026-DETAIL 19-B — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

123-6078026-DETAIL 19-B: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: FLAT CHAMFER, head_height: 0.375 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.853 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, thread_length: 0.594 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-375-7154, 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
123-6078026-DETAIL 19-B
NSN: 5305-01-375-7154
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleFLAT CHAMFER
head_height0.375 INCHES NOMINAL IN
thread_class3A A
head_diameter0.853 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
thread_length0.594 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.000 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP THREADS
shoulder_length1.250 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM FIRST SHOULDER IN
NSN5305-01-375-7154
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 123-6078026-DETAIL 19-B · 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 ACROSS FLATS: 0.312 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.250 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.594 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
HEAD HEIGHT0.375 INCHES NOMINAL IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
SHOULDER LENGTH1.250 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.594 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFLAT CHAMFER
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
123-6078026 ITEM 48Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123-6078026-DETAIL 19-B?
123-6078026-DETAIL 19-B is a SCREW,SHOULDER.
What parts can replace 123-6078026-DETAIL 19-B?
There is 1 known substitute for 123-6078026-DETAIL 19-B: 123-6078026 ITEM 48. Substitute compatibility should be verified for your specific system.
What is the NSN for 123-6078026-DETAIL 19-B?
123-6078026-DETAIL 19-B is cataloged in the U.S. Government catalog under NSN 5305-01-375-7154. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.