PartsTable
Technical Data Sheet
Download PDF

G398-24 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G398-24: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN, diameter: 0.250 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, cross-sectional_shape: ROUND, left_counterbore_depth: 0.094 INCHES NOMINAL IN, right_counterbore_depth: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-210-4064, 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
G398-24
NSN: 5340-01-210-4064
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
diameter0.250 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
cross-sectional_shapeROUND
left_counterbore_depth0.094 INCHES NOMINAL IN
right_counterbore_depth0.094 INCHES NOMINAL IN
left_counterbore_diameter0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
NSN5340-01-210-4064
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G398-24 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
•
LEFT COUNTERBORE DEPTH: 0.094 INCHES NOMINAL IN
•
LENGTH: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
RIGHT COUNTERBORE DEPTH: 0.094 INCHES NOMINAL IN
•
LEFT COUNTERBORE DIAMETER: 0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LEFT COUNTERBORE DEPTH0.094 INCHES NOMINAL IN
LENGTH2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
DIAMETER0.250 INCHES NOMINAL IN
RIGHT COUNTERBORE DEPTH0.094 INCHES NOMINAL IN
LEFT COUNTERBORE DIAMETER0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
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 G398-24?
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 G398-24?
G398-24 is a STANDOFF,THREADED,SPACING.
What is the NSN for G398-24?
G398-24 is cataloged in the U.S. Government catalog under NSN 5340-01-210-4064. 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 — G398-24

✓ 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.