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9306-21 — SHAFT,STRAIGHT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9306-21: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018, end_similarity: IDENTICAL, overall_length: 25.000 INCHES NOMINAL IN, first_end_style: FLAT KEYWAY, first_end_diameter: 0.7500 INCHES NOMINAL IN, external_keyway_length: 25.000 INCHES NOMINAL FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-164-6722, 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
9306-21
NSN: 5330-01-164-6722
NIINs: 011646722, 013846278
FSC: 5330 — Packing and Gasket Materials
CAGE: 04171 — MAGNETIC SEAL LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018
end_similarityIDENTICAL
overall_length25.000 INCHES NOMINAL IN
first_end_styleFLAT KEYWAY
first_end_diameter0.7500 INCHES NOMINAL IN
external_keyway_length25.000 INCHES NOMINAL FIRST END IN
first_end_keyway_depth0.0940 INCHES NOMINAL IN
first_end_keyway_width0.1880 INCHES NOMINAL IN
end_item_identification3910-01-376-0431
NSN5330-01-164-6722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9306-21 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL WIDTH: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 2.374 INCHES MINIMUM AND 2.376 INCHES MAXIMUM IN
•
CASE STYLE: SHOULDERED
•
ACCOMMODATED SHAFT DIAMETER: 1.872 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
•
MATERIAL: MAGNESIUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER2.374 INCHES MINIMUM AND 2.376 INCHES MAXIMUM IN
CASE STYLESHOULDERED
ACCOMMODATED SHAFT DIAMETER1.872 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONAH64A
MATERIALMAGNESIUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
7-211320102-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
79010-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9306-21?
9306-21 is a SHAFT,STRAIGHT.
What parts can replace 9306-21?
There are 2 known substitutes for 9306-21: 7-211320102-3, 79010-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 9306-21?
9306-21 is cataloged in the U.S. Government catalog under NSN 5330-01-164-6722. 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.