PartsTable
Technical Data Sheet
Download PDF

G128-178 — WASHER,SADDLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

G128-178: WASHER,SADDLE.

The WASHER,SADDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.790 INCHES NOMINAL IN, outside_diameter: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN, style_designator: SADDLE, surface_treatment: CADMIUM OVERALL, material_thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-3161, 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
G128-178
NSN: 5310-00-596-3161
FSC: 5310 — Nuts and Washers
CAGE: 3CPE0 — SAFRAN POWER USA LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.790 INCHES NOMINAL IN
outside_diameter1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
style_designatorSADDLE
surface_treatmentCADMIUM OVERALL
material_thickness0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NSN5310-00-596-3161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G128-178 · 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
•
STYLE DESIGNATOR: SADDLE
•
OUTSIDE DIAMETER: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.790 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSADDLE
OUTSIDE DIAMETER1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
MATERIAL THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.790 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy G128-178?
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 G128-178?
G128-178 is a WASHER,SADDLE.
What is the NSN for G128-178?
G128-178 is cataloged in the U.S. Government catalog under NSN 5310-00-596-3161. 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 — G128-178

✓ 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.