PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138-099Buffer Solution,standard

Curtin Matheson Scientific Inc · NSN 6630-00-973-9003 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-00-973-9003 — this item is cataloged by the U.S. Government under National Stock Number 6630-00-973-9003. Primary manufacturer part number: 138-099.
Features
  • Buffer Solution,standard — FSC 6630
  • Physical Form: LIQUID
  • Ph Value Range: +6.99 TO 7.01
  • Primary Container Unit Quantity: 1
  • Primary Container Type: BOTTLE
  • 8 verified cross-references
  • Primary manufacturer: Curtin Matheson Scientific Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Buffer Solution,standard, cataloged under National Stock Number 6630-00-973-9003, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Curtin Matheson Scientific Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6630-00-973-9003
Primary Part Number138-099
Item NameBuffer Solution,standard
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerCurtin Matheson Scientific Inc
StatusCANCELLED
Physical FormLIQUID
Ph Value Range+6.99 TO 7.01
Primary Container Unit Quantity1
Primary Container TypeBOTTLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-184-7660 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
3110-00-227-40593581 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5930-00-296-6902212616PC26 INTERCHANGEABLE
Switch,push-Pull
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-369-2445 INTERCHANGEABLE
Screw,externally Relieved Body
5330-00-371-1506 INTERCHANGEABLE
Gasket
6630-00-412-82520023559-1 INTERCHANGEABLE
Buffer Solution,standard
Leica Inc Surveying and Photogrammetry Systems Div
4730-00-596-40623430-148 INTERCHANGEABLE
Tee,tube
Flagg Stanley G & Co Inc Dba Flagg Brass
1730-00-654-33513581 INTERCHANGEABLE
Tie Down Aero Full
Danfoss Power Solutions II, Llc
5950-00-910-92416140042-3 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
4820-01-270-6450358-4 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Watson Mcdaniel Co
Cross-Reference Index
Part NumberManufacturer
138-099 Curtin Matheson Scientific Inc (USA)
SB-108-500 Fisher Scientific Company L.l.c. (USA)
S0B108 Fisher Scientific Company L.l.c. (USA)
13640314SIZE40Z Fisher Scientific Company L.l.c. (USA)
910107 Analytical Technology Inc (USA)
34182-102 Univar Corp Van Waters and Rogers Inc (USA)
477070 Corning Glass Works (USA)
3581 Newington Electric Co., Inc. (USA)
Related Parts
2530-00-184-7660INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
3110-00-227-4059INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3581
5930-00-296-6902INTERCHANGEABLE
SWITCH,PUSH-PULL
212616PC26
5305-00-369-2445INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
5330-00-371-1506INTERCHANGEABLE
GASKET
6630-00-412-8252INTERCHANGEABLE
BUFFER SOLUTION,STANDARD
0023559-1
4730-00-596-4062INTERCHANGEABLE
TEE,TUBE
3430-148
1730-00-654-3351INTERCHANGEABLE
TIE DOWN AERO FULL
3581
5950-00-910-9241INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140042-3
4820-01-270-6450INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
358-4
5950-01-282-5002INTERCHANGEABLE
COIL,ELECTRICAL
9101-07
5925-01-441-7779INTERCHANGEABLE
CIRCUIT BREAKER
91.0107

Frequently Asked Questions

What is NSN 6630-00-973-9003?

NSN 6630-00-973-9003 is a Buffer Solution,standard, manufactured by Curtin Matheson Scientific Inc, classified under FSC 6630 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6630-00-973-9003?

NSN 6630-00-973-9003 has 8 cross-referenced part numbers: 138-099 (Curtin Matheson Scientific Inc), SB-108-500 (Fisher Scientific Company L.l.c.), S0B108 (Fisher Scientific Company L.l.c.), 13640314SIZE40Z (Fisher Scientific Company L.l.c.), 910107 (Analytical Technology Inc) and 3 more.

What NSN replaces 6630-00-973-9003?

There are 12 known substitutes for 6630-00-973-9003: 2530-00-184-7660, 3110-00-227-4059, 5930-00-296-6902 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 138-099?

Key specifications for 138-099: Physical Form: LIQUID; Ph Value Range: +6.99 TO 7.01; Primary Container Unit Quantity: 1; Special Features: CONTENTS 1 PT. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6630-00-973-9003 still in active supply?

NSN 6630-00-973-9003 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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