PartsTable
Technical Data Sheet
Download PDF

1128HM40109-13 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1128HM40109-13: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.388 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER, fastener_length: 2.828 INCHES MINIMUM AND 2.859 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-225-2805, 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
1128HM40109-13
NSN: 5306-00-225-2805
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
thread_class3A A
thread_length0.388 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.828 INCHES MINIMUM AND 2.859 INCHES MAXIMUM IN
shoulder_length2.440 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5306-00-225-2805
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1128HM40109-13 · 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 HEIGHT: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.828 INCHES MINIMUM AND 2.859 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 2.440 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.388 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
FASTENER LENGTH2.828 INCHES MINIMUM AND 2.859 INCHES MAXIMUM IN
SHOULDER LENGTH2.440 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.388 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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
Ready to buy 1128HM40109-13?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1128HM40109-13?
1128HM40109-13 is a BOLT,SHOULDER.
What is the NSN for 1128HM40109-13?
1128HM40109-13 is cataloged in the U.S. Government catalog under NSN 5306-00-225-2805. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1128HM40109-13

✓ 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.