PartsTable
Technical Data Sheet
PartsTable / COMPONENT / PK7621
PK7621 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 1.119 INCHES NOMINAL IN, sealing_element_style: ANGULAR-OPPOSED, accommodated_shaft_diameter: 0.669 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-4449, 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
PK7621
NSN: 5330-00-297-4449
FSC: 5330
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter1.119 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter0.669 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1000 FEET PER MINUTE FT
NSN5330-00-297-4449
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PK7621 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
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.669 INCHES NOMINAL IN
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT B
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 1.119 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.669 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER1.119 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT A
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
687456C1Interchangeable
interchangeable cross-reference
interchangeable
16KP261Interchangeable
interchangeable cross-reference
interchangeable
TY22470Interchangeable
interchangeable cross-reference
interchangeable
673-2Interchangeable
interchangeable cross-reference
interchangeable
2-300-338-01Interchangeable
interchangeable cross-reference
interchangeable
194043P3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy PK7621?
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 PK7621?
PK7621 is a SEAL,PLAIN ENCASED.
What parts can replace PK7621?
There are 17 known substitutes for PK7621: 687456C1, 16KP261, TY22470 and 14 more. Substitute compatibility should be verified for your specific system.
Is PK7621 still available?
PK7621 is currently cancelled.
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 — PK7621

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