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S1323GB — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S1323GB: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_diameter: 0.531 INCHES NOMINAL IN, outside_diameter: 0.812 INCHES NOMINAL IN, special_features: ONE PEENING KEY 1.375 IN. LG 0.625 IN.

WIDE IN, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-005-3107, 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
S1323GB
NSN: 5310-01-005-3107
FSC: 5310 — Nuts and Washers
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_diameter0.531 INCHES NOMINAL IN
outside_diameter0.812 INCHES NOMINAL IN
special_featuresONE PEENING KEY 1.375 IN. LG 0.625 IN. WIDE IN
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
external_key_quantity7
tapered_key_major_width0.250 INCHES NOMINAL IN
angle_between_external_keys60.0 DEGREES NOMINAL
overall_distance_including_keys2.281 INCHES NOMINAL IN
material_document_and_classificationASTM A 276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-005-3107
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S1323GB · 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
•
OVERALL DISTANCE INCLUDING KEYS: 2.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A 276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 7
•
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DISTANCE INCLUDING KEYS2.281 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY7
SPECIAL FEATURESONE PEENING KEY 1.375 IN. LG 0.625 IN. WIDE IN
MATERIALSTEEL COMP 303 OVERALL
ANGLE BETWEEN EXTERNAL KEYS60.0 DEGREES NOMINAL
TAPERED KEY MAJOR WIDTH0.250 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
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FREQUENTLY ASKED QUESTIONS
What is S1323GB?
S1323GB is a WASHER,KEY.
What is the NSN for S1323GB?
S1323GB is cataloged in the U.S. Government catalog under NSN 5310-01-005-3107. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.