PartsTable
Technical Data Sheet
Download PDF

970-498-73 — ROD,STRAIGHT,HEADLESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

970-498-73: ROD,STRAIGHT,HEADLESS.

The ROD,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include hole_diameter: 1.750 INCHES SECOND END IN, chamfer_length: 0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST END IN, overall_length: 24.188 INCHES MINIMUM AND 24.312 INCHES MAXIMUM IN, overall_diameter: 3.555 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN, drilled_hole_location: BOTH ENDS, distance_from_end_to_hole_center: 1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-031-0658, 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
970-498-73
NSN: 5340-00-031-0658
FSC: 5340 — Hardware, Commercial
CAGE: 92304 — DRUMMOND SCIENTIFIC COMPANY DBA DRUMMOND SCIENTIFIC (USA)
SPECIFICATIONS
hole_diameter1.750 INCHES SECOND END IN
chamfer_length0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST END IN
overall_length24.188 INCHES MINIMUM AND 24.312 INCHES MAXIMUM IN
overall_diameter3.555 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
drilled_hole_locationBOTH ENDS
distance_from_end_to_hole_center1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5340-00-031-0658
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 970-498-73 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
•
CHAMFER LENGTH: 0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST END IN
•
OVERALL DIAMETER: 3.555 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
•
DRILLED HOLE LOCATION: BOTH ENDS
•
HOLE DIAMETER: 1.750 INCHES SECOND END IN
•
DISTANCE FROM END TO HOLE CENTER: 1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST END IN
CHAMFER LENGTH2.438 INCHES MINIMUM AND 2.438 INCHES MAXIMUM AND 2.562 INCHES MAXIMUM SECOND END IN
OVERALL DIAMETER3.555 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
DRILLED HOLE LOCATIONBOTH ENDS
OVERALL LENGTH24.188 INCHES MINIMUM AND 24.312 INCHES MAXIMUM IN
HOLE DIAMETER1.750 INCHES SECOND END IN
HOLE DIAMETER1.281 INCHES FIRST END IN
DISTANCE FROM END TO HOLE CENTER1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 970-498-73?
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 970-498-73?
970-498-73 is a ROD,STRAIGHT,HEADLESS.
What is the NSN for 970-498-73?
970-498-73 is cataloged in the U.S. Government catalog under NSN 5340-00-031-0658. 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 — 970-498-73

✓ 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.