PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

648Nipple,pipe

Milton Industries, Inc · NSN 4730-00-281-2697 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-281-2697 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-281-2697. Primary manufacturer part number: 648.
Features
  • Nipple,pipe — FSC 4730
  • Nominal Overall Length: 1.125 INCHES IN
  • Style Designator: CENTER WRENCHING FACILITY
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Thread Series Designator: NPS SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-281-2697, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Milton Industries, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-281-2697
Primary Part Number648
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilton Industries, Inc
StatusACTIVE
Nominal Overall Length1.125 INCHES IN
Style DesignatorCENTER WRENCHING FACILITY
Thread Series DesignatorNPT FIRST END
Nominal Thread Size0.250 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPS SECOND END
Connection StylePLAIN (PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-045-436707500 INTERCHANGEABLE
Lead,test
Simpson Electric Company, Inc.
6625-00-072-70612378536-3 INTERCHANGEABLE
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
5940-00-237-6763SCD13507ITEM52 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-291-96340S1500-1 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
6150-00-432-3311648 INTERCHANGEABLE
Bus,conductor
Zierick Mfg Corp
6625-00-618-9192648 INTERCHANGEABLE
Bolometer,radio Frequency
Telephonics Corp/prd Instruments
6630-01-049-0209 INTERCHANGEABLE
Analyzer,oxygen
4420-01-173-4524RB-648 INTERCHANGEABLE
Riser,condensate Return
Aerco International, Inc. Dba Aerco International Inc
5930-01-244-7354648 INTERCHANGEABLE
Switch,electrical
Globe Food Equipment Company
6650-01-438-4117 INTERCHANGEABLE
Binocular
Cross-Reference Index
Part NumberManufacturer
648 PRIMARY Milton Industries, Inc (USA)
P3938A Gardner Denver Inc. (USA)
Related Parts
6625-00-045-4367INTERCHANGEABLE
LEAD,TEST
07500
6625-00-072-7061INTERCHANGEABLE
AMMETER
2378536-3
5940-00-237-6763INTERCHANGEABLE
TERMINAL BOARD
SCD13507ITEM52
5330-00-291-9634INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S1500-1
6150-00-432-3311INTERCHANGEABLE
BUS,CONDUCTOR
648
6625-00-618-9192INTERCHANGEABLE
BOLOMETER,RADIO FREQUENCY
648
6630-01-049-0209INTERCHANGEABLE
ANALYZER,OXYGEN
4420-01-173-4524INTERCHANGEABLE
RISER,CONDENSATE RETURN
RB-648
5930-01-244-7354INTERCHANGEABLE
SWITCH,ELECTRICAL
648
6650-01-438-4117INTERCHANGEABLE
BINOCULAR
6850-01-475-2445INTERCHANGEABLE
SEALER,CHEMICAL
1835920
4030-01-614-1670INTERCHANGEABLE
ANCHOR PLATE,WIRE ROPE ASSEMBLY
648

Frequently Asked Questions

What is NSN 4730-00-281-2697?

NSN 4730-00-281-2697 is a Nipple,pipe, manufactured by Milton Industries, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-281-2697?

NSN 4730-00-281-2697 has 2 cross-referenced part numbers: 648 (Milton Industries, Inc), P3938A (Gardner Denver Inc.).

What NSN replaces 4730-00-281-2697?

There are 12 known substitutes for 4730-00-281-2697: 6625-00-045-4367, 6625-00-072-7061, 5940-00-237-6763 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 648?

Key specifications for 648: Nominal Overall Length: 1.125 INCHES IN; Style Designator: CENTER WRENCHING FACILITY; Thread Series Designator: NPT FIRST END; Nominal Thread Size: 0.250 INCHES ALL ENDS IN. 9 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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