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HM13840-50 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HM13840-50: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.281 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, insert_size: 0.218-32 UNS MAJOR DIA 0.2133 IN. MIN 0.2187 IN.

MAX IN, thread_class: 3B, style_designator: PLAIN, nominal_thread_size: 0.138 INCHES IN. This part is cataloged in the U.S. Government catalog under NSN 5325-00-173-8034, 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
HM13840-50
NSN: 5325-00-173-8034
FSC: 5325 — Fastening Devices
CAGE: 73957 — GROOV-PIN CORP (USA)
SPECIFICATIONS
length0.281 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
insert_size0.218-32 UNS MAJOR DIA 0.2133 IN. MIN 0.2187 IN. MAX IN
thread_class3B
style_designatorPLAIN
nominal_thread_size0.138 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNF
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-173-8034
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HM13840-50 · 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
•
LENGTH: 0.281 INCHES NOMINAL IN
•
INSERT SIZE: 0.218-32 UNS MAJOR DIA 0.2133 IN. MIN 0.2187 IN. MAX IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 40
•
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.281 INCHES NOMINAL IN
INSERT SIZE0.218-32 UNS MAJOR DIA 0.2133 IN. MIN 0.2187 IN. MAX IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD CLASS3B
THREAD QUANTITY PER INCH40
MATERIALSTEEL COMP 303 OVERALL
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
SC5310-0021-378Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HM13840-50?
HM13840-50 is a INSERT,SCREW THREAD.
What parts can replace HM13840-50?
There is 1 known substitute for HM13840-50: SC5310-0021-378. Substitute compatibility should be verified for your specific system.
What is the NSN for HM13840-50?
HM13840-50 is cataloged in the U.S. Government catalog under NSN 5325-00-173-8034. This indicates validated use in U.S. government and defense supply chains.
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