PartsTable
Technical Data Sheet
PartsTable / COMPONENT / T.B.D.
T.B.D. ✓ 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 T.B.D. is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-347-8249, 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
T.B.D.
NSN: 5340-01-347-8249
FSC: 5340
CAGE: 88759 — DYNATECT MANUFACTURING, INC. DBA DYNATECT MANUFACTURING INC (USA)
SPECIFICATIONS
Part NumberT.B.D.
NSN5340-01-347-8249
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T.B.D. 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
•
MATERIAL THICKNESS: 0.033 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER: 2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE BODY
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
BODY HEIGHT: 10.800 INCHES MINIMUM IN
•
BODY OUTSIDE DIAMETER: 4.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.033 INCHES NOMINAL IN
OPENING INSIDE DIAMETER2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE BODY
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
BODY HEIGHT10.800 INCHES MINIMUM IN
BODY OUTSIDE DIAMETER4.200 INCHES NOMINAL IN
OVERALL HEIGHT11.920 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSINGARS SYSTEM FAMILY; RADIO TERMINAL, DIGITAL TROPOSCATER (AN/TRC-170)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0401C0007Upgraded Successor
successor cross-reference
successor
TBDUpgraded Successor
successor cross-reference
successor
13076594Upgraded Successor
successor cross-reference
successor
3056Upgraded Successor
successor cross-reference
successor
87034A6004Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy T.B.D.?
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 T.B.D.?
T.B.D. is a T.B.D..
What parts can replace T.B.D.?
There are 5 known substitutes for T.B.D.: 0401C0007, TBD, 13076594 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T.B.D.?
T.B.D. is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-347-8249. This indicates validated use in U.S. government and defense supply chains.
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 — T.B.D.

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