PartsTable
Technical Data Sheet
Download PDF

SP4YB1 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SP4YB1: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, diameter: 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, material: STEEL OVERALL, head_style: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION), chamfer_length: 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN, style_designator: STRAIGHT.

This part is cataloged in the U.S. Government catalog under NSN 5315-00-989-9947, 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
SP4YB1
NSN: 5315-00-989-9947
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
height0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
diameter0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
materialSTEEL OVERALL
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
chamfer_length0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
style_designatorSTRAIGHT
pin_chamfer_angle30.0 DEGREES NOMINAL
pin_head_diameter0.302 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
under_head_length0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
first_hole_diameter0.063 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-989-9947
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP4YB1 · 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
•
CHAMFER LENGTH: 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
•
PIN CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.063 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.302 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
•
DIAMETER: 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
PIN CHAMFER ANGLE30.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.063 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.302 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
DIAMETER0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
HEIGHT0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
5SP4YB1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy SP4YB1?
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 SP4YB1?
SP4YB1 is a PIN,STRAIGHT,HEADED.
What parts can replace SP4YB1?
There is 1 known substitute for SP4YB1: 5SP4YB1. Substitute compatibility should be verified for your specific system.
What is the NSN for SP4YB1?
SP4YB1 is cataloged in the U.S. Government catalog under NSN 5315-00-989-9947. 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 — SP4YB1

✓ 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.