PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21815-1
21815-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL COMP 316 OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, outside_diameter: 0.296 INCHES MAXIMUM IN, special_features: NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M., style_designator: SPLIT HELICAL-RIGHT HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-305-0980, 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
21815-1
NSN: 5325-00-305-0980
FSC: 5325
CAGE: 20162 — ELECTROLUX CORP SUB OF CONSOLIDATED FOODS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL COMP 316 OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter0.296 INCHES MAXIMUM IN
special_featuresNAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M.
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 STYLE AND C CLASS
surface_treatment_document_and_classificationAMS-QQ-PP-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5325-00-305-0980
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21815-1 · 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
•
SURFACE TREATMENT: NICKEL POST
•
SHOULDER OUTSIDE DIAMETER: 0.185 INCHES NOMINAL IN
•
POST SHANK LENGTH: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
HEAD OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
POST SHOULDER LENGTH: 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
SHANK OUTSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
SNAPSLIDE POST STYLE: POST
•
MOUNTING HOLE DIAMETER: 0.086 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTNICKEL POST
SHOULDER OUTSIDE DIAMETER0.185 INCHES NOMINAL IN
POST SHANK LENGTH0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
HEAD OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
POST SHOULDER LENGTH0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
SHANK OUTSIDE DIAMETER0.125 INCHES NOMINAL IN
SNAPSLIDE POST STYLEPOST
MOUNTING HOLE DIAMETER0.086 INCHES NOMINAL IN
MATERIALCOPPER ALLOY POST
HOLE DEPTH0.078 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
218151Interchangeable
interchangeable cross-reference
interchangeable
5310PL1370038Interchangeable
interchangeable cross-reference
interchangeable
50-30-8Interchangeable
interchangeable cross-reference
interchangeable
273710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21815-1?
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 21815-1?
21815-1 is a BUSHING,SLEEVE.
What parts can replace 21815-1?
There are 4 known substitutes for 21815-1: 218151, 5310PL1370038, 50-30-8 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21815-1?
21815-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-305-0980. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21815-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026