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H832-0399-421 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H832-0399-421: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: ROUND, head_height: 1.080 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 1.500 INCHES NOMINAL IN, thread_length: 2.470 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-629-0155, 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
H832-0399-421
NSN: 5305-01-629-0155
FSC: 5305 — Screws
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleROUND
head_height1.080 INCHES NOMINAL IN
thread_class2A A
head_diameter1.500 INCHES NOMINAL IN
thread_length2.470 INCHES NOMINAL IN
shoulder_shapeROUND ALL SHOULDERS
fastener_length4.230 INCHES NOMINAL IN
shoulder_length0.250 INCHES NOMINAL ALL SHOULDERS IN
thread_directionRIGHT-HAND
shoulder_diameter0.750 INCHES NOMINAL ALL SHOULDERS IN
width_across_flats0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
NSN5305-01-629-0155
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H832-0399-421 · 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: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
HEAD HEIGHT: 1.080 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.230 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.250 INCHES NOMINAL ALL SHOULDERS IN
•
SHOULDER DIAMETER: 0.750 INCHES NOMINAL ALL SHOULDERS IN
•
THREAD LENGTH: 2.470 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND ALL SHOULDERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B564, TYPE 630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
HEAD HEIGHT1.080 INCHES NOMINAL IN
FASTENER LENGTH4.230 INCHES NOMINAL IN
SHOULDER LENGTH0.250 INCHES NOMINAL ALL SHOULDERS IN
SHOULDER DIAMETER0.750 INCHES NOMINAL ALL SHOULDERS IN
THREAD LENGTH2.470 INCHES NOMINAL IN
SHOULDER SHAPEROUND ALL SHOULDERS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B564, TYPE 630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEROUND
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

No substitute or cross-reference records for this part.

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 H832-0399-421?
H832-0399-421 is a SCREW,SHOULDER.
What is the NSN for H832-0399-421?
H832-0399-421 is cataloged in the U.S. Government catalog under NSN 5305-01-629-0155. 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.