PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

348-73Seal,oil

Steward Machine Co Inc · NSN 5330-00-317-4681 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-317-4681 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-317-4681. Primary manufacturer part number: 348-73.
Features
  • Seal,oil — FSC 5330
  • General Characteristics Item Description: BRONZE,MIL-B-16261 GRADE 2;OD 6.248 IN.;ID 4.503 IN.;8 7/32 IN. DRILLED HOLES;COMES W/O DRAIN HOLES IN
  • 20 verified cross-references
  • Primary manufacturer: Steward Machine Co Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,oil, cataloged under National Stock Number 5330-00-317-4681, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Steward Machine Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-317-4681
Primary Part Number348-73
Item NameSeal,oil
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSteward Machine Co Inc
StatusACTIVE
General Characteristics Item DescriptionBRONZE,MIL-B-16261 GRADE 2;OD 6.248 IN.;ID 4.503 IN.;8 7/32 IN. DRILLED HOLES;COMES W/O DRAIN HOLES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-141-91082207-8-8 INTERCHANGEABLE
Elbow,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5330-00-179-210672-58500-539 INTERCHANGEABLE
Seal,plain Encased
Fairbanks Morse, Llc
2815-00-273-060165325 INTERCHANGEABLE
Ring,piston
Cummins Inc.
1680-00-761-61594973 INTERCHANGEABLE
Cap,channel,seat
B/e Aerospace Inc Dba Interturbine
4710-01-005-36004973 INTERCHANGEABLE
Tube Assembly,metal
Elliott Machine Works Inc
4820-01-185-66554971-G501 INTERCHANGEABLE
Cock,drain
Howell Laboratories Inc Dba Howell Laboratories Inc
5340-01-431-3631 INTERCHANGEABLE
Retainer,helical Compression Spr
6510-01-438-90064973 INTERCHANGEABLE
Dressing,occlusive,adhesive
Smith & Nephew Inc. Dba Smith and Nephew Wound and Mgt Div Wound Management
5330-01-478-9620 INTERCHANGEABLE
Gasket
6515-01-556-7981A96272C2 INTERCHANGEABLE
Sheet,splint,orthopedic
Performance Health Supply, Llc Dba Sammons Preston Rolyan
Cross-Reference Index
Part NumberManufacturer
60-686PC73 Hardie-Tynes Co., Inc. (USA)
49-73 Hardie-Tynes Co., Inc. (USA)
60-49PC73 Hardie-Tynes Co., Inc. (USA)
60-328PC73 Hardie-Tynes Co., Inc. (USA)
348-73 PRIMARY Steward Machine Co Inc (USA)
60-671PC 73 Hardie-Tynes Co., Inc. (USA)
CS3174681 Calabrese & Sons, Inc. (USA)
49-73 Northrop Grumman Systems Corporation Div Marine Systems (USA)
60-506PC73 Hardie-Tynes Co., Inc. (USA)
60-306PC73 Hardie-Tynes Co., Inc. (USA)
60-95PC73 Hardie-Tynes Co., Inc. (USA)
60-401PC73 Hardie-Tynes Co., Inc. (USA)
60-346PC73 Hardie-Tynes Co., Inc. (USA)
60-521PC73 Hardie-Tynes Co., Inc. (USA)
60-348 PC 73 Hardie-Tynes Co., Inc. (USA)
60-159PC73 Hardie-Tynes Co., Inc. (USA)
60-457PC73 Hardie-Tynes Co., Inc. (USA)
60-531PC73 Hardie-Tynes Co., Inc. (USA)
49-73 Calabrese & Sons, Inc. (USA)
348-73 Hardie-Tynes Co., Inc. (USA)
Related Parts
4730-00-141-9108INTERCHANGEABLE
ELBOW,PIPE
2207-8-8
5330-00-179-2106INTERCHANGEABLE
SEAL,PLAIN ENCASED
72-58500-539
2815-00-273-0601INTERCHANGEABLE
RING,PISTON
65325
1680-00-761-6159INTERCHANGEABLE
CAP,CHANNEL,SEAT
4973
4710-01-005-3600INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4973
4820-01-185-6655INTERCHANGEABLE
COCK,DRAIN
4971-G501
5340-01-431-3631INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
6510-01-438-9006INTERCHANGEABLE
DRESSING,OCCLUSIVE,ADHESIVE
4973
5330-01-478-9620INTERCHANGEABLE
GASKET
6515-01-556-7981INTERCHANGEABLE
SHEET,SPLINT,ORTHOPEDIC
A96272C2

Frequently Asked Questions

What is NSN 5330-00-317-4681?

NSN 5330-00-317-4681 is a Seal,oil, manufactured by Steward Machine Co Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-317-4681?

NSN 5330-00-317-4681 has 20 cross-referenced part numbers: 60-686PC73 (Hardie-Tynes Co., Inc.), 49-73 (Hardie-Tynes Co., Inc.), 60-49PC73 (Hardie-Tynes Co., Inc.), 60-328PC73 (Hardie-Tynes Co., Inc.), 348-73 (Steward Machine Co Inc) and 15 more.

What NSN replaces 5330-00-317-4681?

There are 10 known substitutes for 5330-00-317-4681: 4730-00-141-9108, 5330-00-179-2106, 2815-00-273-0601 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 348-73?

Key specifications for 348-73: General Characteristics Item Description: BRONZE,MIL-B-16261 GRADE 2;OD 6.248 IN.;ID 4.503 IN.;8 7/32 IN. DRILLED HOLES;COMES W/O DRAIN HOLES IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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