PartsTable
Technical Data Sheet
Download PDF

HM41-030 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HM41-030: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, temp_rating: 425.0 CELSIUS MAXIMUM DEGC, thread_series: ISO M, overall_height: 3.0 MILLIMETERS MAXIMUM MM, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-231-9346, 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
HM41-030
NSN: 5310-01-231-9346
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleHEXAGON
temp_rating425.0 CELSIUS MAXIMUM DEGC
thread_seriesISO M
overall_height3.0 MILLIMETERS MAXIMUM MM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresSILVER PLATED
thread_directionRIGHT-HAND
washer_thickness0.5 MILLIMETERS MINIMUM MM
precious_materialSILVER
surface_treatmentSILVER OVERALL
width_across_flats4.0 MILLIMETERS NOMINAL MM
NSN5310-01-231-9346
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HM41-030 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WASHER OUTSIDE DIAMETER: 6.0 MILLIMETERS NOMINAL MM
•
WIDTH ACROSS FLATS: 4.0 MILLIMETERS NOMINAL MM
•
THREAD TOLERANCE CLASS: 4H5H INTERNAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: ISO M
•
PRECIOUS MATERIAL: SILVER
•
THREAD PITCH IN MILLIMETERS: 0.50
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.0 MILLIMETERS MAXIMUM MM
WASHER OUTSIDE DIAMETER6.0 MILLIMETERS NOMINAL MM
WIDTH ACROSS FLATS4.0 MILLIMETERS NOMINAL MM
THREAD TOLERANCE CLASS4H5H INTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESISO M
PRECIOUS MATERIALSILVER
THREAD PITCH IN MILLIMETERS0.50
TEMP RATING425.0 CELSIUS MAXIMUM DEGC
WASHER THICKNESS0.5 MILLIMETERS MINIMUM MM
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 2
620-857-563-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3000S01508Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy HM41-030?
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 HM41-030?
HM41-030 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace HM41-030?
There are 2 known substitutes for HM41-030: 620-857-563-0, 3000S01508. Substitute compatibility should be verified for your specific system.
What is the NSN for HM41-030?
HM41-030 is cataloged in the U.S. Government catalog under NSN 5310-01-231-9346. 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 — HM41-030