PartsTable
Technical Data Sheet
Download PDF

BS0S-0428-26 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BS0S-0428-26: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: SLEEVE, nut_diameter: 0.342 INCHES MAXIMUM IN, thread_class: 2B, thread_length: 0.500 INCHES NOMINAL OVERALL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-997-8856, 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
BS0S-0428-26
NSN: 5310-00-997-8856
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleSLEEVE
nut_diameter0.342 INCHES MAXIMUM IN
thread_class2B
thread_length0.500 INCHES NOMINAL OVERALL IN
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES IN
cross-sectional_shapeROUND NUT
thread_quantity_per_inch28
flange_width_across_flats0.375 INCHES NOMINAL IN
NSN5310-00-997-8856
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BS0S-0428-26 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD LENGTH: 0.500 INCHES NOMINAL OVERALL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,COMP 303 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT DIAMETER: 0.342 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 46384-SOS428 MANUFACTURERS SPECIFICATION
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD LENGTH0.500 INCHES NOMINAL OVERALL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,COMP 303 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.342 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA46384-SOS428 MANUFACTURERS SPECIFICATION
CROSS-SECTIONAL SHAPEHEXAGONAL FLANGE
CROSS-SECTIONAL SHAPEROUND NUT
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 1
BL-8576Same 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
Ready to buy BS0S-0428-26?
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 BS0S-0428-26?
BS0S-0428-26 is a NUT,SLEEVE.
What parts can replace BS0S-0428-26?
There is 1 known substitute for BS0S-0428-26: BL-8576. Substitute compatibility should be verified for your specific system.
What is the NSN for BS0S-0428-26?
BS0S-0428-26 is cataloged in the U.S. Government catalog under NSN 5310-00-997-8856. 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 — BS0S-0428-26

✓ 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.